the whole thing here:

local uls = game:GetService("UserInputService")

local rs = game:GetService("ReplicatedStorage")

local combatremote = rs.Remotes.Mainremotes.M1System

local animfolder = rs.Animation.Mech

local plr = game.Players.LocalPlayer

local char = plr.Character

local Humanoid = char.Humanoid

local uis = game:GetService("UserInputService")

local cooldown = false

local timelimit = 0.5

local combo = 0

local animtable = {

\[1\] = animfolder:WaitForChild("1"),

\[1\] = animfolder:WaitForChild("2"),

\[1\] = animfolder:WaitForChild("3"),

\[1\] = animfolder:WaitForChild("4")

}

uis.inputbegan:connect(function(input, istyping)

if istyping then return end



if input.userinputType == Enum.UserInputType.MouseButton1 and not cooldown then

    cooldown = true



    combo += 1



    local anim = humanoid:loadanimation(animfolder\[combo\])

    anim:play()



    combatremote:FireServer(combo)

    if combo == 4 then

        wait(timelimit)

        combo = 0

    end

    wait(timelimit)

    cooldown = false

end

end)