Perk Name: Blast Shield (Lvl 50 Perk)
Description: Shields survivors and buildings against explosive zombies
Additional Note on Perk:
Starts with one shield which can sustain a single explosion. Extra shields are added every 2s (cool down) up to maximum of 3 which can sustain up to 3 blasts before shield disappears. Size of the shield equals to area of effect radius.
Unit Class: Researcher, Scientist, PhD