You have 4:30 minutes to clear all the waves
Completed: Tier 2 Battle: Appetite for Destruction
Wait for the Arena to be prepared
Assemble for Combat
Kill everyone in wave 1
Kill everyone in wave 2
Kill everyone in wave 3
Kill everyone in wave 4
Kill everyone in wave 5
Survive the horde
Turn in: Arena Battle Board
Survive the Appetite for destruction by defeating the Horde of Horrors. Tier 3 difficulty.
You've survived the Appetite for Destruction!
The tier 3 rematch quest is infinite (repeatable, as many times as you like)