control.lua:329
if global.immuneUntil[entity.unit_number] ~= nil then
	global.immuneUntil[entity.unit_number] = event.tick+60
end

functions.lua:182
--Take no damage if immune.
if global.immuneUntil[event.entity.unit_number] ~= nil then
	if global.immuneUntil[event.entity.unit_number] and global.immuneUntil[event.entity.unit_number] > event.tick then
		event.entity.health = event.entity.health + event.final_damage_amount
		return
	elseif global.immuneUntil[event.entity.unit_number] and global.immuneUntil[event.entity.unit_number] <= event.tick then
		global.immuneUntil[event.entity.unit_number] = nil
	end
end