How can i fix a monster not killing other players?

So i was making a RTX version of the Library from Doors, and credited LSPLASH of course, then i put this code in Figure to make it kill players

local zombie = script.Parent

for _, script in pairs(zombie.ModuleScripts:GetChildren()) do
	if not game.ServerStorage:FindFirstChild(script.Name) then
		script:Clone().Parent = game.ServerStorage
	end
end

local AI = require(game.ServerStorage.ROBLOX_ZombieAI).new(zombie)
local DestroyService = require(game.ServerStorage.ROBLOX_DestroyService)


local function clearParts(parent)
	for _, part in pairs(parent:GetChildren()) do
		clearParts(part)
	end
	local delay
	if parent:IsA("Part") then
		delay = math.random(5,10)
	else
		delay = 11
	end
	DestroyService:AddItem(parent, delay)
end

zombie.Humanoid.Died:connect(function()
	AI.Stop()
	math.randomseed(tick())
	clearParts(zombie)
	script.Disabled = true
end)

local lastMoan = os.time()
math.randomseed(os.time())
while true do
	local animationTrack = zombie.Humanoid:LoadAnimation(zombie.Animations.Arms)
	animationTrack:Play()
	
	wait(2)
end

I tested the game, but Figure just goes to a point and hits whatever blocks it, how can i fix this?