Endless tier 20, day 5 big final wave

Day 100, 12:00, for 24 hours: 436 zombies at ×21 health and ×24 attack.

Part of EEndless tier 20, day 5 of 5.

When it ends: All-Purpose StrengthenerFine Sheet Metal×2Tempered GlassElectronic Components×2Scrap Metal×6Broken Glass×6Cold CutsMystery Novel (EEndless rewards, tiers 20-29)