Because trainers are harder, you get stronger items earlier.
: All Gym Leaders, Elite Four members, and Trainers have revamped teams with competitive movesets, better AI, and often carry six Pokémon in later stages. Obtainable Pokémon
: Every Pokémon from Gen I to Gen IV can be caught or obtained through gifts, events, or in-game trades. Pokémon Buffs Pokemon Sacred Gold Storm Silver Documentation
Trade-based evolutions are replaced by new items like the Covenant Orb or specific stones, all of which are available before the Elite Four. 2. Essential Documentation Links
Because these hacks are distributed as patches ( .ips or .xdelta ), the documentation is stored inside the ROM. You must download it separately. Because trainers are harder, you get stronger items earlier
Are you planning to run a or just a casual playthrough of this Johto masterpiece? Pokémon Sacred Gold & Storm Silver | GBAtemp.net
Because these hacks change so much (wild encounters, trainer rosters, item locations, evolution methods), —playing without it will lead to confusion. Pokémon Buffs Trade-based evolutions are replaced by new
Some players create a condensed “quick reference” for evolutions and key TMs—the full doc is very long (100+ pages).
After defeating the eight Gym Leaders, players can challenge the Pokémon League Champion. The Champion is a powerful trainer with a team of highly trained Pokémon.
: Some Pokémon have had their types changed to better suit their design or improve their utility (e.g., Farfetch'd becoming Fighting/Flying in some versions). Evolution & Item Changes
The official documentation is a set of core reference files—usually bundled with the game's patch—that detail every significant modification made to the Johto and Kanto regions. Core Documentation Files