Pokemon Leaf Green Rom 1.0 -

: A notorious technical quirk in the original GBA v1.0 and v1.1 releases involves the Legendary Beasts (Entei and Raikou). If these roaming Pokémon use the move "Roar" to escape a battle, they can permanently disappear from that playthrough. Essential Tips for Your Kanto Journey

If you lose the battle against him immediately after receiving the Nugget, the game "forgets" you received the item but keeps it in your bag. The Payout: pokemon leaf green rom 1.0