There are more examples of those in most JRPG games.
In Parasite Eve you'll get an item that is called Junk, and it's exactly that, Junk, most players would simply discard the item when they get it. Careful and experimental players would find that there is an option to discard the same junk on the police office. The best part is that when you discard 300 pieces of junk on the police office, you'll get an option of making a Super Weapon that is more powerful than everything you find on the game.
Most players back then missed those overpowered guns, just because they didn't bother with it
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