(Ultimate) Koshi, Demon Master

Lore
The demon inside Koshi was no ordinary fiend. It was the deadliest, most fearsome demon of all. And Koshi harnessed its powers to fight evil. At his command, the demon would annihilate all corruption in its wake until none remained. And until all malevolent forces were eliminated from this world, the demon had no choice but to bend to Koshi's will.

Acquisition
Evolve from Koshi, Demon Master

Name origin
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