ROBLOX Script

local debounce = false
game.Workspace.Part.Touched:Connect(function(hit)
    if hit.Parent:FindFirstChild("Humanoid") then
        if not debounce then
            debounce = true
                while hit.Parent.Humanoid.Health < 100 do
                    hit.Parent.Humanoid.Health = hit.Parent.Humanoid.Health + 25
                    wait(2)
                end
            wait(2)
            debounce = false
        end
    end
end)