Server script

--------------------
-------------------- Variables

local tool = script.Parent.Parent
local player = tool.Parent.Parent
local character = player.Character or player.CharacterAdded:Wait()
local remoteEvent = tool:WaitForChild("remote_event")

--------------------
-------------------- Functions

function HasWeapon(humanoid)
    local descendants = humanoid.Parent:GetDescendants()
    for _, v in pairs(descendants) do
        if v:IsA("Tool") then
            if v:FindFirstChild("blade") then
                return v
            end
        end
    end
    return nil
end

--------------------
-------------------- Weapon Actions

remoteEvent.OnServerEvent:Connect(function(player, func, value)

    ----------
    ---------- Block

    if func == "Block" then
        tool.Status.blocking.Value = value
        return
    end

    ----------
    ---------- Attack

    if func == "Attack" then
        local humanoid = value
        local weapon = HasWeapon(humanoid)
        if weapon ~= nil then
            print("Has weapon out")
            if weapon.Status.blocking.Value == false then
                humanoid:TakeDamage(10)
            else
                print("blocking")
            end
            return
        end
        humanoid:TakeDamage(10)
        return
    end

    ----------
    ---------- Stun

    if func == "Stun" then
        tool.Status.stunning.Value = value
        return
    end

    ----------
    ----------

    error("Function: '" .. func .. "' not found.") -- Called function was not found
end)