Talk to Finkle. He'll activate the Bile-o-Tron. Gogo!
#1 When tanks get two debuffs: Switch tanks.
#2 Healers should stay alert. The raid or individual players will go down to 1 hp, and the tanks
will take loads of damage from spike damage during double attacks.
#3 When Bile-o-Tron isn't active, gather during the slime AoE.
#4 At 20% healing won't work, and all healers should switch to DPS and pop every DPS cooldown.