Hello! As a Pokémon enthusiast with extensive knowledge of the games, I'm here to help you with your question about evolving Togetic in HeartGold.

In Pokémon HeartGold, to evolve Togetic into Togekiss, you need to use a special item called the Shiny Stone. Here's how you do it:

1. Make sure Togetic is in your party.
2. Use the Shiny Stone on Togetic while it's in your party.
3. Togetic will evolve into Togekiss immediately.

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Togetic evolves into Togekiss with the Shiny Stone. This will work in HG/SS even if you don't have the national dex, it will just say ?? next to the number I think. Both Togetic and Togekiss learn Fly and it won't stop it evolving.read more >>