: Pokémon that required a trade while holding a specific item (like Onix holding a Metal Coat or Seadra holding a Dragon Scale) now evolve when that item is used on them like an Evolution Stone.

While different versions of the NTEVO patch may vary slightly, most follow these standard conventions for trade-reliant Pokémon:

All trade evolutions become level-up or item-based. Catch all 386 Pokémon alone. No grinding for link cables. Just pure, unbroken Hoenn adventure.