Switch to warparty- use zerkers or dalinisias

Focus on strength bonuses -by the time your done your zerkers/dalis should be a natural 40 or close to it

Equip with legendary weapons , and epic armor heavy- strength

Get the recipes behind the main boss down there.

Once you have the recipes, obsidian bars drop in warmakers.

Master warmaker dungeon first and skip the arena champion.

Youll never go back down to the volcano again aside from the challenge to keep yourself and thralls alive.