Auto Attack + Reach

local plr = game:GetService("Players").LocalPlayer
local rs = game:GetService("ReplicatedStorage")
local char = plr.Character or plr.CharacterAdded:Wait()
local root = char:WaitForChild("HumanoidRootPart")
local r = rs:WaitForChild("remotes")
local onhit, swing = r.onHit, r.swing
local range, dmg, idk, delay = 250, 100, 1, 1
while task.wait(delay) do
	if not root.Parent then
		char = plr.Character or plr.CharacterAdded:Wait()
		root = char:WaitForChild("HumanoidRootPart")
	end
	swing:FireServer()
	for _, m in ipairs(workspace:GetChildren()) do
		local hum = m:IsA("Model") and m:FindFirstChildOfClass("Humanoid")
		local hrp = hum and m:FindFirstChild("HumanoidRootPart")
		if hum and hrp and hum.Health > 0
		and (root.Position - hrp.Position).Magnitude <= range then
			onhit:FireServer(hum, dmg, {}, idk)
		end
	end
end

while true do
task.wait()
game:GetService("ReplicatedStorage"):WaitForChild("remotes"):WaitForChild("swing"):FireServer()
end