If I remember correctly, the first gem is rotation battle. You are required to have 3 Pokemon. If you have less, your game will crash if you attempted to rotate.I experienced a bug that I haven't seen before. When I was fighting the first gym leader, pressing the left rotation button crashed the game resulting in me losing most of my progress.
Nevermind just accidentally found it in relic castle (go down first sinkhole you see and it's the pokeball to your right)Does anyone know how to get aerodactyl???
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Does anyone know how to get old amber in volt white pls