final fantasy ix verse: ordained thy crystal doomed
gaia seemed like the perfect planet to become the new terra. or at least, that is what garland thought. when he tried to fuse the crystal’s together, a dark force rejected the terran crystal and foiled garland’s plans. this dark force was none other than sephiroth who had already claimed gaia as his own. sephiroth and garland become locked in a cold war over gaia’s crystal for thousands of years.
sephiroth, with his mastery over hallucinations steered kuja into discovering garland deemed him a failure. with the creation of zidane, sephiroth’s main goal is to foil his programming and make sure he doesn’t not bring about gaia’s end. to anyone outside of garland and kuja, sephiroth veils himself as a benevolent being whose only intention is to save gaia.
final fantasy x verse: come to me o’ boundless souls
this is going under the assumption that final fantasy x and vii take place in the same universe. this verse also takes place after the events of the remake from sephiroth’s perspective.
with the planet’s defenses finally destroyed, sephiroth holds free reign over time. as now a constant of the universe, sephiroth is able to send one self to the recent past to try and change his fate with cloud and company while he sends another self to the distance past. it is in this distance past that he discovers spira and the farplane. seeing a source of energy like the lifestream, sephiroth now plans to use the farplane as a fail safe should he fail again to absorb the power of the lifestream. he becomes interested in yuna as a summoner and seeks to understand more through following her as a shadow.
final fantasy xiii verse: when chaos comes knocking
when bhunivelze fell into a crystallized sleep, pulse created the first fal’cie without divine influence. this fal’cie was sephiroth. originally tasked with helping pulse find the unseen realm, he is the one who discovered the link between the chaos within human souls and the realm they seek to find. when humans began to populate pulse and cocoon, it was he who instigated the war of transgressions through his use of hallucinations and deceptions in order to kill enough humans to rip the gates open.
it was when etro intervened that sephiroth first discovered that she, created without power, found the ability to manipulate the world through the power of chaos. wanting this power for himself, he soon began to seek the unseen realm for the sole purpose of becoming the new god of death. to do so, he seeks to find and kill etro by changing the timeline. his meddling creating enough of an effect to kill many iterations of the seeress yeul and setting caius ballad off on his quest to destroy time.
by the time bhunivelze awakens and decides to create a new world without chaos, sephiroth attempts to guide the savior towards defying bhunivelze in the hopes of keeping a world where he can be the god of death.
final fantasy xiv: the shadow is mine and so is the valley.
on the thirteenth shard of the star, the nightmares of amaurot remained etched upon the earth. having discovered the fossilized remains of an ancient creation, humanity sought to achieve that power for themselves. thus, the jenova project was created and with it, the super soldier and hero sephiroth. originally bred to be a warrior of light, the ascian igeyorhm took it upon herself to use sephiroth as a pawn to bring about a rejoining.
after discovering the experiments that created him, sephiroth went mad. however, his delusions of grandeur became too much for the sundered ascian to take care of on her own and sephiroth’s overwhelming defeating of the true warrior of light brought about the flood of darkness that irrevocably changed the thirteenth shard forever.
however, sephiroth did not perish in the flood. instead, becoming an incredibly powerful voidsent with his will still intact thanks to the ancient power within him. believing himself to be an ancient and the true denizen of the star, sephiroth now seeks to become a new god unburdened with the need for prayer like the primals.
final fantasy xv verse: heaven’s dark harbinger
when adagium was found imprisoned in angelgard, the niflheim empire was also able to covet some of the starscourge trapped within the destroyer’s body. before turning to a magitek army, verstael first tried to make an army of super soldiers using daemonic miasma. the result was sephiroth. though he was the perfect soldier verstael intended, creating an army like him was not time or cost effective and so he turned towards the idea of magitek. however, sephiroth remained in service and rose through the ranks of niflheim. though he is unaware of his creation, ardyn does.
final fantasy xiv: the shadow is mine and so is the valley.
on the thirteenth shard of the star, the nightmares of amaurot remained etched upon the earth. having discovered the fossilized remains of an ancient creation, humanity sought to achieve that power for themselves. thus, the jenova project was created and with it, the super soldier and hero sephiroth. originally bred to be a warrior of light, the ascian igeyorhm took it upon herself to use sephiroth as a pawn to bring about a rejoining.
after discovering the experiments that created him, sephiroth went mad. however, his delusions of grandeur became too much for the sundered ascian to take care of on her own and sephiroth’s overwhelming defeating of the true warrior of light brought about the flood of darkness that irrevocably changed the thirteenth shard forever.
however, sephiroth did not perish in the flood. instead, becoming an incredibly powerful voidsent with his will still intact thanks to the ancient power within him. believing himself to be an ancient and the true denizen of the star, sephiroth now seeks to become a new god unburdened with the need for prayer like the primals.
final fantasy xiv: imposter in his image
when ultima forsook them, the circle of malius attempted to create a divine child to commune with their lost god. sephiroth was created by infusing aether directly from the dzemekys mothercrystal with a mother already with child. this was part of the sin that swept the mothercrystal from the world. while the fallen were punished for attempting to use the divine for their own personal gain, the mother still gave birth to a son drenched in aether.
sephiroth is not the perfect creation he was meant to be. though he has the same amount of aether within him as an eikon, he does not share in their powers. he is a bearer in the sense that he can cast magic without a crystal but on a scale far exceeding those of the common man. however, he did have a connection to ultima as the surviving remnant of the mothercrystal's aether which allowed ultima to twist sephiroth's mind.
after learning that he was created through sin, sephiroth grew made and seeks to destroy all humans to make the world ready for ultima's people. like barnabas, his link to ultima means he does not age and as continued to serve through the decades. he is now a general in waloed, though his true loyalties lie with ultima.