Here are the Decayian species that are in Corruptia some may not be sins but twisted to be sins and some twisted all together it's gonna be a pain in the ass to design them all :-:
Gossip: whispers [News for the city]
Manipulation: Puppeteers or Marionis
Vanity: Mirrans (from “mirror”)
Corruption: Corrupthians or Tarnis
Violence: Viorans or Bludgeons
Greed for Power: Dominius
Betrayal: Traitors or Vexians
Madness: Lunaris (pairs well with “lunatics” for Addiction)
Deception: Maskaris (“mask” + infernal feel)
Cruelty: Cruelans or Vexaris
Corruption of Innocence: Taintlings (more imp-like)
Vengeance: Revanthis or Vengeans
Avarice (extreme greed): Avarans
Rage (feral wrath): Feranis
Cruel Delight: Pleuranths
Corruption of Love: Ruvels
Toxic Affection: Clingrans
Abuse of Power: Overans or Oppressans
Control (pure dominance): Reignthians
Pride + Deception: Glamis
Sloth + Despair: Drowsians
Envy + Addiction: Cravites
Gluttony + Sloth: Glumbris
Despair + Isolation: Witherans
Addiction + Gluttony: Feastans
Denial (of truth/self): Refusans
Self-Destruction: Breakans
Existential Dread: Nihilans
Shame: Blushans or Crimsans
Memory (corrupted nostalgia): Remnans
Control through Fear: Tyrannis
Pleasure through Suffering: Dolcans (“dolce” + “dolor”)
Worship of the Self: Idolans
Faith Twisted by Sin: Devianths
Hopeless Devotion: Boundans
Depraved Curiosity: Morbisians
Manipulative Love: Entangrans
Emotional Starvation: Holliths
Sorrow (beautiful suffering): Mourthans
Jealous Worship: Idolisians
Fearmongering: Terrans (not “terra” but from “terror”)
Treachery (alt): Backbrians (“backbreaker” origin feel)
Excessive Pride: Vaeliths
Oblivious Bliss: Smilthians
Ambition (unchecked): Aspirans
Fame Hunger: Laudans (from “laud,” praise)
Control Obsession: Gripthans
Manipulative Seduction: Lurthians
Corrupted Loyalty: Faithless
Desire to Corrupt Others: Spoilians
Vengeance Addiction: Reviths
Pleasure in Chaos: Havocans
Greed for Secrets: Veilans
Destruction for Art: Aesthans
Need to Be Worshipped: Idoliths
Greed for Knowledge: Archivans
Love Twisted to Possession: Enclans
Hatred of Innocence: Puriths
Bliss in Suffering: Euphrians (“euphoria” twisted)
Loss of Meaning: Nihilthians
Love of Death: Thanisians
Obsession with Control: Dominionis
Truth Twisting: Benthrans
Mad Obedience: Chainthians
Corruption of Dreams: Somniths
Destruction of Hope: Bleakans
Greed for Souls: Soulthans
Vanity of Existence: Echoans
Envy of the Divine: Devisans
Love of War: Belliths (from “bellum,” war)
Revelry in Sin: Peccaris (from “peccare,” to sin)
Greed for Worship: Adorans
Lust for Control: Gripthis or Chainis
Delight in Suffering: Ecsthans
Joy in Others’ Pain: Schadenis
Corrupted Curiosity: Inquisans
Desire for Conflict: Strifans
Addiction to Fear: Phobiths
Addiction to Sorrow: Grievans
Destruction as Worship: Ruinans
Mad Pursuit of Perfection: Idealiths
Faith in Nothing: Vacuans
Contempt for Weakness: Cruelthans
Jealousy of Angels: Seraphans
Greed for Chaos: Pandemians
Addiction to Memory: Remniths
Obsession with Fate: Destinans
Love Turned Poison: Venans
Hope Turned Hollow: Wraithans
Devotion Turned Blind: Pledians
Mercy Turned Mockery: Scornans
Trust Turned Control: Bindris
Dream Turned Delirium: Somnis
Loyalty Turned Fanaticism: Zealiths
Desire Turned Decay: Wiltans
Faith Turned Fear: Reverenis
Joy Turned Madness: Merriths
Innocence Turned Envy: Pureans
Wisdom Turned Pride: Athenis
Denial of Reality: Refutans
Desire for Self-Erasure: Oblivians
Greed for Divinity: Godrans
Joy in Ignorance: Blissans
Contempt for Truth: Falsiths
Obsession with Pain: Doloris
Love of Madness: Maniaxians
Sacrifice of Innocence: Vileans
Mockery of Faith: Jesthans
Corruption of Creation: Marthians
Addiction to Sin Itself: Peccans
Sins Born of Sin: Spawnans