Wild Belial

Gear upgrade wise Belial comes after Gusion with a 125k Stat Requirement. He has 30 Mana and with every hit he has a chance to lose 1 mana and once he reaches 0 he will explode, killing everyone near him instantly, unless dodged with 100% evasion or spell blocked.

Drops:

Belial's Spirit

Hellplate

Grimoire of Spirituality - Infernal Skin