【How-to】How do i activate darkrai event

You can purchase an Action Replay that works with your physical Nintendo DS system, or you can use an emulator with built-in Action Replay support like DeSmuME. Add the code to get the Arceus. Specifically, this is the “Toys R’ Us Event” Arceus, which can be used to trigger the special event in HeartGold or SoulSilver.