(Chaos IX) Armageddon Ouroboros

Lore
Those who died in their attempt to stop Ouroboros become invisible souls that give the immense beast power. That energy will also be used after its tail is found to sow the seeds of life in the next world. Thus is how it maintains the cycle of mortality.

Acquisition
Evolve (Chaos I) Armageddon Ouroboros with Ouroboros Catalyst eight times.

Name origin
The Ouroboros is an ancient symbol depicting a serpent or dragon eating its own tail.