The Venomous Abyss, boss 2. Blood of Ula'tek and Breath of Ula'tek, tanked on opposite walls: bring them close and Ula'tek's Dominance makes them shrug off everything. Keep their health even, because Vitriolic Stasis heals whichever is lower. Mechanics run in the real DBM order.
WASD move Mouse1 hold to swing toward the cursor Q heal Space dash