"rig that follows closest player with customizable walk animations, and attacks in animation that is customizable. The attacks are in a chain of 4, each customizable"

local RunService = game:GetService("RunService")
local Players = game:GetService("Players")

local humanoid = script.Parent
local root = humanoid.Parent.PrimaryPart

-- Customizable Animations
local walkAnimation = script.WalkAnimation
local attackAnimation1 = script.AttackAnimation1
local attackAnimation2 = script.AttackAnimation2
local attackAnimation3 = script.AttackAnimation3
local attackAnimation4 = script.AttackAnimation4

function findNearestPlayer()
	local playerList = Players:GetPlayers()
	local nearestPlayer = nil
	local distance = nil
	local direction = nil 
	
	for _, player in pairs(playerList) do
		local character = player.Character
		if character then
			local distanceVector = player.Character.PrimaryPart.Position - root.Position
			if not nearestPlayer then
				nearestPlayer = player
				distance = distanceVector.Magnitude
				direction = distanceVector.Unit
			elseif distanceVector.Magnitude < distance then
				nearestPlayer = player
				distance = distanceVector.Magnitude
				direction = distanceVector.Unit
			end
		end
	end
	
	return nearestPlayer, distance, direction
end

RunService.Heartbeat:Connect(function()
	local nearestPlayer, distance, direction = findNearestPlayer()
	if nearestPlayer then
		-- Play walk animation
		humanoid:Move(direction)
		humanoid:PlayAnimation(walkAnimation)
		
		-- Attack if close enough
		if distance < 5 then
			humanoid:PlayAnimation(attackAnimation1)
			wait(0.5)
			humanoid:PlayAnimation(attackAnimation2)
			wait(0.5)
			humanoid:PlayAnimation(attackAnimation3)
			wait(0.5)
			humanoid:PlayAnimation(attackAnimation4)
			wait(0.5)
		end
	end
end)