local Players = game:GetService("Players")

local function setInfiniteHealth(humanoid)
    humanoid.MaxHealth = math.huge
    humanoid.Health = math.huge
    humanoid.HealthChanged:Connect(function()
        if humanoid.Health < humanoid.MaxHealth then
            humanoid.Health = humanoid.MaxHealth
        end
    end)
end

local function onCharacterAdded(character)
    local humanoid = character:FindFirstChildOfClass("Humanoid")
    if humanoid then
        setInfiniteHealth(humanoid)
    end
end

local function onPlayerAdded(player)
    player.CharacterAdded:Connect(onCharacterAdded)
    if player.Character then
        onCharacterAdded(player.Character)
    end
end

Players.PlayerAdded:Connect(onPlayerAdded)

for _, player in Players:GetPlayers() do
    onPlayerAdded(player)
end