Have no idea what happened
he evolved cos he is a pokemon
That’s Mega Gorgotha or Rainbow Gorgotha, the final boss of the extended Khaziel storyline that awards you the Legendary weapons. He is not regularly obtainable, but can be summoned by spells that summon random Daemons.
Yeah, i did get a rainbow weapon, Orb of Hunger, devour an enemy troop at will, 20 mana.
seen him sometimes in explore too