There are many ways for players to gain EXP fast in Pokemon Brilliant Diamond and Shining Pearl aside from battling wild Pokemon and Trainers. These methods involve on several holdable and Key Items, as well as partnering several NPCs.
Pokemon Brilliant Diamond and Shining Pearl remake the original Diamond and Pearl for the Nintendo Switch. They're still lengthy, fun Pokemon adventures, but not much has been added, and even the remade graphics are showing their age.
Pokémon Brilliant Diamond and Shining Pearl feature plenty of post-game challenges, including the Battle Tower. Here's how to unlock the Battle Tower in Pokémon Brilliant Diamond and Shining Pearl.