Wanted to post my rough draft for a story I’m gonna write soon
Undertale/RWBY fusion
The CTDL (Cathedral) a RWBY and Undertale fusion story
The words monsters is just the meaning of another race. While words like Grimm or Demon is a more accurate version of our Monster.
Monsters take the role of the Faunus of remnant instead of being able to steal another’s soul they are able to naturally have two semblance’s their Soul semblance and then their monster/magic semblance an ability that is similar to true magic but much weaker than actual magic. Monster unlike humans are blocked from aura unable to express their soul outside their body and over the years have honed their souls inside their form able to create LOVE an acronym and as nice as it sounds is much the opposite while attuning with your soul one must kill another human, monster, or Grimm
but something living with a higher form of sentience and expose their soul to it allowing it to witness it strengthening one’s body and soul making it harder to be injured allowing one to hit harder, move faster never able to reach the peak speed and regeneration of humans but with high enough lv one finds it easier to hurt and they pack the meanest punch around.
True Monsters often referred to as Boss Monsters, Endless Monsters, and Eternal Monsters are monsters that do not age they are born this way with much stronger semblances and their monster semblance has become true magic related to their true monster type and much stronger than normal monster semblances.
Humans have a single semblance still but they also have access to aura. Aura is an ability that comes from their soul and not their semblance it allows one to steadily increase their physical attributes the longer you use it and the more you train it. It is known it can rapidly increase through the act of killing but only if you kill with the intention to hurt and destroy not mercy killing. Killing Grim is a common way as most universally hate the grim. Using aura one can enhance weapons, infuse bullets and projectiles, and even create an Aura/Soul weapon a weapon intuned to your soul that is perfectly able to be used by its wielder and is unable to be held by others.
LOVE is a technique to increase a monsters physical strength and physical defense this technique is unique as monsters discovered it and only they know how to gain and increase it. It is known to other humans that it requires more dark practices than aura training to gain. As you need to un shield your soul making it vulnerable you then need to kill with intent afterward while around the same as training aura it is more frowned upon with its more savage workings and the after effects. Increasing LOVE causes one to slowly become more willing to hurt more wanting to hurt you want to gain more LOVE as its power is addicting only having one or two levels is normal but more than that can have bad effects on your mind and soul. As for the true meaning of LOVE is lost to others besides the True Monsters most are confused by the acronym LOVE as it truly means Level Of Violence this technique strengthens your body a dissipates the connection of your soul and body allowing you to take more hits without truly becoming damaged and hurt.
Inspection humans and monsters alike are able to track one’s growth and see a lesser version of another’s growth if they have unlocked their aura or monster semblances respectively. By listening to your soul and a projecting it to your sight you can see your Soul Sheet it is extremely private information and when inspecting another you can usually only see ones name and Aura level.
Usually looks like this
Alice Sora Horizon Aura Lv 3
14 Years 2 Months 16 Days (Can be Shrunk) Health 100% Stamina 100% Aura 100%
Wonder/Journey Semblance:The Path is Bright: You have a passive semblance. You are able to see glowing strings that connect to important things in your life the brighter they are the sooner and more impactful they are to you and those you love. With strings connected to others you can examine the strings to know who they are, why they are like, and a slight feeling for what they feel towards you.
Grim are the scourge originally spotted coming from an underground cavern some 10 thousand years ago they quickly took over the entire NorthWest continent taking over the late Winlow Kingdom. Infecting it with what has been described as toxic magic a sort of rapidly decaying and healing form of physical magic. It looks similar to ink and feels like ash to the touch. They take on the form of animals at the weaker levels but as a grim ages and gets stronger they change and evolve either taking parts from other Grimm, parts from the Land, or mutating new parts Themselves. The First and Last form of grim the Scavenger Grimm and the Mutant Grimm are usually stronger as they have they same strength and weakness as normal Grimm but not added weakness from the living. While Century Grimm are either the weakest or strongest Grimm known and with their name it often takes century’s of taking and absorbing parts of the land to gain any significant power. The strongest Grimm from each life cycle are similar to true monsters in magic abilities they live in the center of the southern continent and patrol a large decaying castle. The First is the Chimera a classic common type of chimera but ramped up to 11 taking on seemingly every Grimm type seen besides the other two Ancient Grimm it is the second largest and has the widest range of abilities from controlling lesser grim, flying, and poison. The Largest of the Grimm the Behemoth a grim that took over an entire mountain full of earth dust. It has perfectly fused with the mountain can move it wherever he wants and able to sprout its true snake like body from wherever it wants. It has the ability to even use the earth dust that was stored inside the mountain to create devastating magical attacks. And Finally the Contagion an Grimm that focuses on mutation and creation designing many lesser Grimm and adding new functions to itself it even captured a true monster at one point and imbued its magic into itself allowing it to use basic elemental magic and inspect others. It is conniving and able to use higher levels of thinking creating traps and such. While we just discussed the end and peak Grimm can get to how are they made? Grimm periodically shed parts of themselves creating pools of Grimm where over weeks to years Grimm will begin their lifecycle and spawn until the pool is dried up. The second way they are made is from veins of the tar like liquid erupting from bellow creating giant lakes of Grimm making void. How were Grimm made why do they act so strange and could they possibly be protecting something?
??? A leading figure of the Grimm a humanoid woman with spider like features and veins of Grimm void she has been periodically seen throughout the world commanding Grimm. She was last seen heading the siege on human kind when A mysterious human wielding powerful magic, the king, and the queen worked together to both destroy one of the titans and massively wound the woman. It is likely she is healing from the wound of over 4000 years by the strongest forces of non Grimm possible. One would wonder what she would use this time for plotting? Grieving? Or festering? What we do know recently more and more mysterious figures have been around many having been sighted with Grimm like limbs and nefarious purposes. Has the leading Grimm worked with Human and monster kind just to get to her end goal? Or is it all a ruse?
Souls everyone has them Humans, Monsters, and even Grimm Humans souls can have up to two traits and these traits are the core tenets that describe you as a person are you filled with wonder at anything new, do you strive to peruse justice for your people at any cost, do you struggle to survive and live another day, or are you determined to a fault never giving up and never backing down? Human souls influence their semblance and how they act they power one’s aura and the more one drains one’s aura the more taxed one’s soul can get. Human souls are mailable tough not enough to change a souls trait but if taught by someone such as a True Monster they may unlock the powers monsters have such as LOVE and Second Semblances. Monsters souls are soft they are universally weaker they must be exposed to strife up close to reach the heights of power humans are able to easily get they are full of love, hope, dreams, and magic able to make wonders happen and they unlock two semblances their soul semblances similar to a humans but usually weaker then their magic semblances distant from they soul and based on their species a skeleton type monster finds their second semblances to be based around bone magic maybe something else if their lucky maybe summoning undead or creating bone constructs and maybe even poison but it is heavily restricted to their Monster Race. Grimm souls are different unlike a humans and their ball of colored fire or a monster and their gas like grey Heart soul. A Grimm’s soul is like a pustule like a large ball that has been repeatedly stabbed then over inflated in areas blocked off in others, drained in others, new sections added and it is completely void of color of shape they are only desire only hunger only hatred. The reason Grimm attack us in the first place is to feed on our souls as we found out after a hunter with a specialized insight perk discovered they had the ability and power to do so the younger ones seem to have the smallest stomach and are often always starving and it seems the older one gets the less they rely on feasting on souls.
Hunter an honored profession by both humans and monsters with several academies and Guilds all over the continents they are a company designed to help defend towns and kingdoms from the ever present Grimm threat. They scout for new Grimm types and nests. They exterminate wandering packs getting to close to civilization and protect kingdoms when Grimm try to monopolize on weakened walls. Hunters often hunt Grimm for parts as their bone protrusions and plates are extremely durable, Grimm blood while toxic can be used in a variety of magical medicines, and finally their eyes and organs can be safely dined upon.
Dust while monster and true monster have magic and magical replications humans don’t but we have discovered a substitute a dust that collects from the souls of the dead decades after one dies their souls start compressing (the remnants at least if not devoured by Grimm) into a tangible crystal these crystals attune to certain elements and when one combines it with aura or force or even technology its powers can be harnessed and used creating magical like effects. Some use it in intricate patterns to make spells some weave it into clothes for special functions and some apply it directly to one’s body a dangerous but rewarding practice attuning one’s self to an element.
The Ancients: Two monsters that have been alive since the beginning of creation. They are partners and sometimes lovers they once had children but nothing is known for certain. As they are immortal and the longest living creatures known on this planet they rule the monsters. The King as he is known by wields the strongest form of Fire magic seen on remnant and his first semblance lets him greatly enhance those he trusts and if they in turn trust him he gains a percentage of that power permanently if they lose that trust he loses the boost but if they die while still trusting him he keeps it. He was the one to land the killing blow on the fourth Grimm Titan that drove the Grimm back. He holds his Soul weapon on him at all times a giant Crimson Trident able to pierce even the strongest defensive semblances and toughest Grimm hides. He is an imposing goat like monster mixed with lion attributes he stands at 9 feet tall and often hunched over to speak with others. His fur is a whitish grey with a large cat like whip tail, large claws, and giant golden mane. He has large red eyes and large imposing horns that curve back. The Queen is the kings partner She has lived for the same amount of time and has often been heralded as the Queen of Cleansing flames as her magic lets her create a variety of flames from healing Fires, to Sticky Fires, to burning Fires, and even Colorful flames. She often uses her flames to heal citizens bathing her healing courtyard in healing flames every noon and during every holiday the streets are filled with the rainbow aurora of her healing fires. Her semblance Dampener allows her to weaken everything from one’s aura, semblance, physical abilities and even Grimm she is unable to affect non living things such as weakening buildings supports. She is able to use this to completely drain people but it takes time.
The ancients take turns ruling the kingdom for periods of a hundred years one rules and the other rests as immortality is forever it would be a shame to waste it all ruling the monsters. After a century has passed they give a 1 year break to their chosen Prince to rule for the year while they relax together then after that time the switch and the other rules for the next hundred years.
The Declawed/White fang a group of monsters who were tired of both the rule of the ancients and the segregation from the human kingdoms tired with how human kingdoms acted against them and tired from how little the king and queen were doing this group of monsters started protesting lead by the Belladona family they started a movement for equality and with minor progress over the years and even making a seemingly uninhabitable island a monster paradise through effort, magic, and semblances they were slowly making a change. Not enough though and when the past chieftain of the Declawed stepped down and traded the title to the new leader they led more aggressive tactics and was labeled a terrorist group as they started bombing places that wouldn’t serve monster kind and even assassinating high profile humans who had anti monster practices. They were renamed the White Fang and started wearing Grimm masks when doing their more aggrieved stunts to show how if they truly thought they were demons or Grimm then they would wear the face of them. The more aggressive practices worked and even though the past leaders don’t agree with it they see the progress they make.

Atlas is a northern continent and the name of the kingdom with the highest human population and density it is rare to see monsters there as many anti monster laws are still active. Atlas is home to the most advanced technology of this era using dust they have created most technology spread around the world such as they ever popular Scroll (a sort of phone that expands like a hand held scroll with a holo light interface) and they supply the world with the most dust.
Mistral is Eastern continent and kingdom. Mistral is home to a mixture of humans and monsters it is more forestry and often has rainstorms and normal storms. Mistral is known to be a place of thieves and criminals it is often thought that atlas gets their monsters “workers” from mistral. Mistral has many Century Grimm throughout their land. It is home to many groups of bandits both human and monster.
Menagerie is a southeastern continent below mistral home to only accept monster races. Menagerie was founded by the terroist group called the White Fang why many don’t export to menagerie it is not needed much as it is pretty self sufficient with the highest population density of purely monster kind.
Vale is a more southern continent and kingdom surrounded on all sides by natural barriers it has a more human dense population than monster dense it is known to send supplies to menagerie while also having dust technology from atlas. It is home to the best Hunter School of remnant.
Vacuo is the western continent and kingdom of monsters. It is a mixture of desert and plains on the lower end. while populated mainly of monster kind and home to the King and Queen it still accepts humans. It is the forefront of Grimm defense often sending incursions of Hunters to cull newborn Grimm and clear any pools or nests. It has the highest amount of hunters of any kingdom.
Winlow was the northwestern continent and kingdom home to large expansive plaines with little natural barriers from Grimm. It was where the Grimm first appeared from and they soon devoured all and destroyed the entire kingdom and corrupted the remains poising the land creating pools of Grimm and nesting. It is a wasteland full of only Grimm and destroyed nature.
This is a short very very rough draft of a sort of prologue.
Story idea it is the year 4112. 4112 years since the Grimm Titans and their army attacked the entirety of the human and monster kingdoms eradicating much of the population leaving less than 8 million Humans, Around 6 million Monsters, and True Monster are hovering around in the Hundreds. The Two ancients are still alive and are still ruling the Monsters. You are Chara Rube Rose the adopted daughter of Summer Rose and then the step daughter to Taiyang Xiao Long and Step sister to Yang Clover Long. You weren’t raised by your birth parents as they abused you until they got rid of you you were picked up by some traveling monsters who raised you for the majority of your childhood they were killed by Grimm and you were saved by your new mom Summer Rose she took you in and you met your new sister and new father Taiyang and Yang. You were raised together for years until your new mother died on a hunter mission you became slightly despondent and clung to your sister you did everything together and one day she dragged you outside during winter in a wagon where you fell asleep when you woke up to a scream you saw your sister about to be attacked by a Grimm when a shadowy figure emerged and sliced the in two. Qrow Branwen your uncle saved you two he was what he called a “human who some magical guy decided I look better in feathers” it was a dismissal but it was technically true he was certainly human but also vaguely monsterish his hair was more feather than hair he had sharper nails and sharper vision. And coolest of all he could turn into a bird. He had this awesome shadow semblance as well able to move between them. Uncle Qrow never stayed for long he was a hunter this experience strengthened mine and Yangs resolve to become a hunter. Yang says I’m too attached to weapons but she is too attached to her looks so I don’t care.
Uncle Qrow was around when I unlocked my semblance he is one of the only few humans I like outside of my family but he’s not really human so it doesn’t matter. He said my semblance was affected by my time around monsters and it turned into a pseudo magic semblance that made me happier than even when mom made me those chocolate cookies for the first time. Qrow did say I was a mixture of unlucky and lucky as I didn’t unlock a full magic semblance as my first but a pseudo it does mean I have a high chance to unlock a magical second but it also means I can’t unlock true magic only monster magic. So I think it means I can be more monstrous just not really monstrous which is kinda a bummer. My semblance is hard to control but I love it all the same I asked Qrow to teach me more monster things and he said he would if the next time I came my perfect weapon was finished and when he came by it was. My Crimson Crescent as giant Scythe weapon I have to use my aura more currently to wield her. She has the ability to turn into a sniper and I can mechasift her into a burst Rifle and large Combat knife. Qrow was impressed and taught me about LOVE and told me that people with both LOVE and aura were really rare he allowed me to safely get love it was difficult not the killing Grimm part that was fun but the exposing my soul it was apparently harder even for humans but my pseudo magic semblance should help. I did it and when I got LOVE for the first time it was the best feeling in the world it was so fun to have LOVE! Qrow forbid me from collecting more LOVE until I became a hunter though I was already 14 my birthday is in a few weeks and then in a few months Yang will become a hunter trainee at Beacon academy I really wanted to become a hunter at the same time oh well I want looking forward to being around that many humans anyway Yang says I have social anxiety or something but that’s not true! Okay maybe a little true for monsters but I just hate other humans I usually just hide from them around my sister though. My semblance also helps me pick out the ones that hide as humans for some reason they suck? Here’s to a new year and hopefully a better one than ever!
Are main character is obviously a mixture of Chara from undertale and Ruby from RWBY she has a mixture of both of them the weapon loving and scatterbrainedness from Ruby and the human hating and LOVEbugness from Chara they both also love their families a lot and have a lot of determination to do whatever they feel is right. Chara originally thought what was right was to save monster kind and if you follow through with it she has no complaints but if you go to kill everyone she thinks your teaching her what is now right in her ghost like state becoming monster of LOVE. I wanted to add the traits of both allowing her a seed of corruption and the classic monsters better than humans she has going one giving her a monster semblance to sort of push the Chara demon look. I also do want to keep her happy and loving with her family and close friends and still have some social anxiety with monsters as even though she likes them she still a ball of anxiety from her childhood. She had a rough childhood till she was abandoned at the age of 6 and then her new family was killed at the age of 8 where she then lived with her new family since then and most are still alive now! She has been around death a blood her whole life her prior family has been killed in front of her she gained LOVE at a young age which changed her and she was majorly abused in her first family she has a fascination towards the dark and even though she doesn’t think of killing humans she often thinks about hurting others but so far she hasn’t acted on it but maybe she spend to long killing some Grimm here and there but nothing to much.
Chara Rube Rose Aura Lv 6 LOVE Lv 1
14 years 11 months 14 days Health 100% Stamina 100% Aura 100%
Determination/Family/Blood Monster Semblance: Dhampir: (your semblance Blood Control has mutated) you are able to rapidly regenerate your own blood and control it outside of your body you can solidify your blood making a sort of crystal substance. Your senses are sharper with massively enhanced smell and sight. Giving you night vision and You can sense and smell blood around you from much farther away. Drinking the blood of others can rapidly heal you and strengthen you. You feel a desire to drink blood and it can substitute as your meals and is preferred over food. Daylight irritates you and dulls your blood senses. You are deathless able to age till maturity but never age till you die. You may extend one’s life if they are connected to you via familial bonds by bitting them with your fangs if you die they will rapidly age with your death.
Extra:Your semblance is a partial monster one if you unlock another monster or magic semblance it will evolve again Progress towards second 2%
Characters on our main character team Chara Rube Rose, Talia Weiss Schnee, Diana Blake Belladona, and Yang Clover Long.
They also have different powers and abilities from their original.
Talia Weiss Schnee is a member of the Schnee family a household started and held in atlas the biggest kingdom with the highest levels of dust mining in the world the Schnee dust company is the biggest and best dust mining company in the world. They are held in the most advanced kingdom in the world. Her father’s company supposedly uses unfair monster labor and has the highest death rate of monsters in the mines. Atlas is also the biggest monster bigot and has many monster human segregation laws still in play. Every monster hates the Schnee fit campaign as they almost always support anti monster laws they often state they don’t need to rely on the king or queen as their dust and technology is much better. Many Schnee family members have been assassinated by the white fang. Talia while not outwardly showing it is still racist towards monsters while she strives to be a good person she still has a prejudice against monster kind and while Winter Schnee her sister and an atlas soldier has tried to stamp it out embers of it still remains in Talia. Talia is the first in the Schnee family to have an altered form of her generational semblance
Talia Weiss Schnee Aura Lv 6
16 years 3 months 6 days Health 100% Stamina 100% Aura 100%
Diligence/Family GenerationSemblance (Mutated): Meticulous Glyphs: With practice you can create a glyph a glyph is a pattern that you imbue your aura into for magical like effects making wind reducing gravity or maybe summoning fallen foes. You can imbue a glyph with dust to change its effects making a summoned creature made of ice or enhanced speed buff powered by wind. Mutated function allows you to save certain glyphs for ease of use by diligently making a glyph then powering it to 99% you can stop and sacrificing a part of your aura you can save it allowing you to deploy it at anytime with no more work needed. The stored glyphs cannot be dust infused
Extra: the mutation is purely advantageous and only added the save function made from a constant desire to be different from her family and diligent study on her family’s semblance and studies Saved Glyphs: Wind Wall 2% Chains of the Storm 13% Lesser Speed 5%
Diana Blake Belladonna coming to the school with a fake name the headmaster saw through the ruse quickly and allowed her to join the school with only a a last name change. She was once part of the Declawed and then the White Fang she disagreed with her parents when they wanted to leave the White Fang. So she left her family and continued onto the white fang. She joined and worked with the more aggressive protests she soon fell in love with her mentor and they worked together on her many missions. However over the years with the repeated “accidents” with Adam’s missions she starts disagreeing with them and finally when he goes to blow up a train with innocent people still on it she knocks him out and abandons the new White Fang striving to be better without the senseless aggression she aims to become a hunter to kill Grimm and protect innocents from the real monsters. Diana is a Cat like monster called a Cheshire Sith they are humanoid monsters with Black fur.they all have a monster semblance with one key function transformation. Diana has pale white skin but it’s almost Smokey looking fading away she has large cat ears and a long tail that splits in two. She has larger hands and feet with claws and slit yellow eyes with a more cat like nose and whiskers. In her human form she loses her cat traits and her skin becomes solid here eyes are less cat like and he teeth are less sharp.
Diana Blake Belladona Aura Lv 8 LOVE Lv 4
16 years 4 months 12 days Health 100% Stamina 100% Aura 100%
Solitary/Faith/Family Semblance: Vanishing Trick: Able to turn invisible but unable to affect the world unless you step into someone’s shadow you then turn faintly visible and are able to affect the one whose shadow you are in either positive by trickling your aura to theirs or negatively such as striking them with an attack only they can feel or see while others cannot. Monster Semblance: The Cat Sith: you are able to turn into a human and back 9 times a day the final change is the one you must spend the night as. As a monster you gain the ability to float and see another’s soul. For short periods you can turn intangible and invisible. When humanoid you can strengthen your aura you are physical and lose the ability to float and see souls. In your human form you are naturally stronger and swifter you unlock aura for both forms but only able to train it while human.
Notes monsters already have long lifespans and Cheshire Cats longer as they are spectral in nature they may live up to a thousand years if they don’t become a true monster in that time
Yang Clover Long is the half/step sister of Chara she is a natural muscle head even with years of training she thinks with her fists first. After meeting her sister for the first time and seeing the small girl she fell in love (not weird love) and has tasked herself to protecting her. She was heartbroken when her mom died and was the main one taking care of Ruby while her dad coped when she found out she had another mom she went out looking for her bringing Chara with her to fix their family. They were attacked by Grimm then and saved by her uncle she then vowed to become a hunter like everyone in her family to find her other mom and protect her family when needed. Nothing will ever shatter her resolve and love for her sister.
Yang Clover Long Aura Lv 7
16 years 2 months 3 days Health 100% Stamina 100% Aura 100%
Family/Wrath/Justice Semblance: The Lions Mane: Grows a golden spectral mane of fiery fur around her neck and hair. This mane boosts her physical strength the more angry she is and the more she feels she is fighting and enemy. This mane can also be lended to others she is close to for weaker more defense focused effects this also weakens hers if she is wearing oneSemblance: The Lions Mane: Grows a golden spectral mane of fiery fur around her neck and hair. This mane boosts her physical strength the more angry she is and the more she feels she is fighting and enemy. This mane can also be lended to others she is close to for weaker more defense focused effects this also weakens hers if she is using a mane on herself.