Man, the names for these 2 new class advancements are weird. Named as BloodEvil and 因陀罗天 (Indra), they are the upgrades of the Beserker and Asura respectively (Slayer tree). Touted as “Gods”, all 4 classes are insanely powerful with their new flashy attacks, which can be seen in the trailers in this post.
As of now, all of them have been added into the Korean server. For the previous 2, Sword Saint and Dark Lord, visit my post here.