Tending the Garden

Objectives
Survive 2 Massive Waves of Zombies.
 * Massive Wave Defeated (2)

Description
Even though we beat Warden Stillwater, his zombies still roam the countryside. Look there, another wave is approaching! Help me fight them off, old buddy! Let's go!

Rewards
You will receive: (+ at max level)

Completion
That'll keep 'em out for today, but I know they'll be back tomorrow. Hopefully you'll be around to help me.