In the original HeartGold , the level curve was notoriously messy, and many Johto Pokémon (like Houndour or Murkrow) weren't available until the post-game. Sacred Gold fixes this by populating the early routes with a massive variety of species, allowing you to build your dream team before you even hit the third Gym.
Earlier access to items like the Bicycle and Running Shoes. NPC Traders: Better trades are offered by NPCs. 5. Story and Map Tweaks
What makes this specific ROM hack stand out among hundreds of others? Drayano’s modifications breathe entirely new life into Johto: