In Pokémon Crystal, it is possible to obtain two copies of TM24. If the playerwhites out due to poison damage while still inside the Dragon Shrine in Dragon's Den after receiving the Rising Badge, they can return to the Blackthorn Gym to receive the reward TM from Clair. However, if the player then returns to Dragon's Den and stands on the tile directly in front of the Dragon Shrine's door, Clair will appear again and give the player another TM24.
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