1. level is off, those are always yellow to me at 60
Hits for 395 max, triples
he has to AEs, wave of cold (all or nothing, 350dmg) and rain of cold (can be partially resisted, 300 max)
32k HP, casts cleric nukes (which will go for high damage due to his level.
Sieve him, or he will gate at the end of the fight
Gate is DEATH in ToV