Auto Clicker:
https://sourceforge.net/projects/orphamielautoclicker/

Script:

_G.Fuck = true -- false to Turn Off
local enemi = game.Workspace.Enemies.Assassins -- Change Assasins to Any NPC you want
while _G.Fuck do

wait()
game.Players.LocalPlayer.Character.Humanoid.Health = math.huge
for _,v in pairs(enemi:GetChildren()) do
game.Players.LocalPlayer.Character.HumanoidRootPart.CFrame = v.HumanoidRootPart.CFrame+Vector3.new(1, 0, 0)
end
end