NPC zombie summon

soldier157 = Instance.new("Model")
soldier157.Parent = game.Workspace
soldier157.Name = "zombie157"


LA = Instance.new("Part")
LA.Parent = soldier157
LA.Name = "Left Arm"
LA.Size = Vector3.new(1, 2, 1)
LA.Transparency = 1

RA = Instance.new("Part")
RA.Parent = soldier157
RA.Name = "Right Arm"
RA.Size = Vector3.new(1, 2, 1)
RA.Transparency = 1

Head = Instance.new("Part")
Head.Parent = soldier157
Head.Name = "Head"
Head.Size = Vector3.new(0.1, 0.1, 0.1)
Head.Transparency = 1

grrrr = Instance.new("Sound")
grrrr.Parent = Head
grrrr.SoundId = "rbxassetid://300708180"
grrrr.Volume = 7

Torso = Instance.new("Part")
Torso.Parent = soldier157
Torso.Name = "Torso"
Torso.Size = Vector3.new(4, 5, 1)
soldier157.PrimaryPart =Torso

LL = Instance.new("Part")
LL.Parent = soldier157
LL.Name ="Left Leg"
LL.Size = Vector3.new(1, 2, 1)
LL.Transparency = 1


RL = Instance.new("Part")
RL.Parent = soldier157
RL.Name = "Right Leg"
RL.Size = Vector3.new(1, 2, 1)
RL.Transparency = 1


humanoid = Instance.new("Humanoid")
humanoid.Parent = soldier157
humanoid.WalkSpeed = 17
humanoid.HipHeight = -2


snap = Instance.new("Snap")
snap.Parent = soldier157.Torso
snap.Part0 = Torso
snap.Part1 = Head

LH = Instance.new("Motor")
LH.Parent = soldier157.Torso
LH.Part0 = Torso
LH.Part1 = LL

LS = Instance.new("Motor")
LS.Parent = soldier157.Torso
LS.Part0 = Torso
LS.Part1 = LA

RH = Instance.new("Motor")
RH.Parent = soldier157.Torso
RH.Part0 = Torso
RH.Part1 = RL

RS = Instance.new("Motor")
RS.Parent = soldier157.Torso
RS.Part0 = Torso
RS.Part1 = RA

skin = Instance.new("SpecialMesh")
skin.MeshId = "rbxassetid://2711200539"
skin.TextureId = "rbxassetid://4533685150"
skin.Parent =soldier157
skin.Parent = Torso



healthbar = Instance.new("BillboardGui")
healthbar.Parent = Head
healthbar.Size = UDim2.new(10, 0,1.2, 0)
healthbar.StudsOffsetWorldSpace = Vector3.new(-1, 3.5, 0)



Namee = Instance.new("Frame")
Namee.Parent = healthbar
Namee.BorderColor3 = Color3.new(27,42,53)
Namee.BackgroundColor3 = Color3.new(255,255,255)
Namee.Size = UDim2.new(1, 0,0.35, 0)
Namee.BackgroundTransparency = 1

NpcName = Instance.new("TextLabel")
NpcName.Parent = Namee
NpcName.TextStrokeColor3 = Color3.new(0,0,0)
NpcName.TextColor3 = Color3.new(0,255,0)
NpcName.Text = "       Zombie"
NpcName.Size = UDim2.new(0.75, 0,2, 0)
NpcName.BackgroundTransparency = 1
NpcName.TextSize = 14
NpcName.TextStrokeTransparency = 0



wait()

script.Parent = soldier157

local larm = script.Parent:FindFirstChild("Left Arm")
local rarm = script.Parent:FindFirstChild("Right Arm")

function findNearestTorso(pos)
	local list = game.Workspace:children()
	local torso = nil
	local dist = 1000 --This Line Right Here
	local temp = nil
	local human = nil
	local temp2 = nil
	for x = 1, #list do
		temp2 = list[x]
		if (temp2.className == "Model") and (temp2 ~= script.Parent) then
			temp = temp2:findFirstChild("Head")
			human = temp2:findFirstChild("Humanoid")
			Ally = game.Workspace:findFirstChild("zombie157")
			if (temp ~= nil) and (human ~= nil) and (human.Health > 0) and (Ally == nil) or (temp ~= nil) and (human ~= nil) and (human.Health > 0) and (human.Parent.Name ~= "zombie157") and (human.Parent.Name ~= "sina157")  then

				if (temp.Position - pos).magnitude < dist then
					torso = temp
					dist = (temp.Position - pos).magnitude
				end
			end
		end
	end

	x = math.random(0,17)
	if x == 15 then
		humanoid.Jump = true
	end
	return torso
end


function dgm(hit)
	humanoid.Health  = humanoid.Health + 0.1
	h = hit.Parent:findFirstChild("Humanoid")
	if not h then
		return
	end
if  not hit.Parent:findFirstChild("Humanoid") then
	humanoid.Health  = humanoid.Health + 10
	humanoid.MaxHealth  = humanoid.MaxHealth + 3
end
if hit.Parent.Name ~= "sina157" and hit.Parent.Name ~= "zombie157" then
	hit.Parent:findFirstChild("Humanoid"):TakeDamage(5)
	end
end

Torso.Touched:Connect(dgm)
Head.Touched:Connect(dgm)


function jump(j)
grrrr:Play()
end

humanoid.Jumping:Connect(jump)

while true do
	wait(0.1)
	if Torso == nil or humanoid.Health == 0 then
		script.Parent:Destroy()
	end

	local target = findNearestTorso(script.Parent.Torso.Position)
	if target ~= nil then
		script.Parent.Humanoid:MoveTo(target.Position, target)

	end
end