How to add +1 to a local value when a player/ dummy dies?

You can easily achieve this by having a .Died event connected to a function which simply adds one, and connecting that event to every humanoid you want to count for.

E.G.

local Folder = workspace.Dummies

for i,part in pairs(Folder:GetDescendants()) do
    if part:IsA("Humanoid") then
        part.Died:Connect(function()
            --Whatever your counter system is
        end)
    end
end

Hope this helps! :)

So put this in a local script

local RS = game:GetService("ReplicatedStorage
local Players = game:GetService("Players")
local Player = Players.LocalPlayer
local Human = Player.Humanoid -- or something I cant remember get the humanoid here tho

if Human.Health == 0 then
    Player.LeaderStats.Coins = Player.LeaderStats.Coins + 1
end

something like that its a rough draft but gives u a very good idea at what I'm getting at :thumbs_up: