How to make a giving points on death system ?

local Humanoid = script.Parent.Humanoid

function Dead()
        local tag = Humanoid:FindFirstChild("creator")
        if tag ~= nil then
        if tag.Value ~= nil then
            local leaderstats = tag.Value:FindFirstChild("DummyKilled")
            if leaderstats ~= nil then
                leaderstats.Value = leaderstats.Value +1
                wait(0.1)
                script:Remove()
            end
         end
      end
   end

Humanoid.Died:Connect(Dead)

Hey , I wanted to make a quest that when you kill 5 dummies it gives you something, there is the dummies scripts but it simply dont work.. The NumberValue is in the Humanoid of the players and im using a custom sword that I made