"theres five parts, Gunshots, Gunshots1, Gunshots2, Gunshots3, Gunshots4. they all have 2 children, one being FX, and the other light source, in the function make sure all of the FX and light from all 5 parts, light enabled = true, and FX tranparency = 0 else return normal values"

-- server script 
local part = script.Parent
local s = script.Parent.Sound
local parts = {"Gunshots", "Gunshots1", "Gunshots2", "Gunshots3", "Gunshots4"}

local function onPartTouched(otherPart)
	local model = otherPart.Parent
	if model.Name == "Furry" or "Neko" then
		local humanoid = model:FindFirstChild("Zombie")
		if humanoid then
			s:Play()
			humanoid.Health = 0
			for _, partName in ipairs(parts) do
				local part = workspace:FindFirstChild(partName)
				if part then
					local fx = part:FindFirstChild("FX")
					local light = part:FindFirstChild("Light")
					if fx then
						fx.Transparency = 0
					end
					if light then
						light.Enabled = true
					end
				end
			end
		else
			s:Stop()
			for _, partName in ipairs(parts) do
				local part = workspace:FindFirstChild(partName)
				if part then
					local fx = part:FindFirstChild("FX")
					local light = part:FindFirstChild("Light")
					if fx then
						fx.Transparency = 1
					end
					if light then
						light.Enabled = false
					end
				end
			end
		end
	end
end

part.Touched:Connect(onPartTouched)