The Dragon's Den is inaccessible before defeating Clair in the Blackthorn Gym, as it is blocked off by a man in front of the cave, and then it must be traversed to finally obtain the Rising Badge.
Silver can be found here contemplating his training on Tuesdays and Thursdays. Clair will visit to reward the player with the Rising Badge she refused to award in the Blackthorn Gym, as well as TM24 (DragonBreath)GSC or TM59 (Dragon Pulse)HGSS. This requires fulfilling the task described above. In Pokémon Gold and Silver, where the Dragon Shrine (Japanese: りゅうのほこらDragon Shrine) is closed and everything related to it is unavailable, Clair will instead give the Rising Badge to the player after they collect the Dragon Fang.
In Pokémon HeartGold and SoulSilver, after the player battles Silver at Mt. Moon, they can participate in a Multi Battle with him against Lance and Clair here. Also, in these games, if the player receives the Rising Badge from Clair and then leaves the Dragon's Den with Dig, Teleport, or an Escape Rope, then they must return to her Gym in order to collect the TM.
A colored background means that the Pokémon can be found in this location in the specified game. A white background with a colored letter means that the Pokémon cannot be found here.
A colored background means that the Pokémon can be found in this location in the specified game. A white background with a colored letter means that the Pokémon cannot be found here.
Trainers with a telephone symbol by their names will give their Pokégear number to the player, and may call or be called for a rematch with higher-level Pokémon.
Trainers with a telephone symbol by their names will give their Pokégear number to the player, and may call or be called for a rematch with higher-level Pokémon.
It is a prize for correctly answering the questions given by the Master in the Dragon Shrine. If any wrong answers are given, the player will still receive a Dratini but it will have Leer instead of Extreme Speed.
After completing the quiz, the player will then need to receive TM24 (DragonBreath)C or TM59 (Dragon Pulse)HGSS from Clair. After this, returning to the Master will result in him giving the Dratini to the player.
The Dragon's Den appeared in Fangs For Nothin', where it was reduced to a series of tunnels leading to the Dragon Holy Land. The Dragon Holy Land takes over for the Dragon's Den's other roles, including the location of the Dragon Shrine as well as of the Dragon Fang.
In the manga
Dragon's Den in Pokémon Adventures
In the Pokémon Adventures manga
The Dragon's Den first appeared in Debonaire Dragonair. ClairbattledSuicune here but failed to defeat and capture it. According to Clair, only the Pokémon that have been living on the site with her family are allowed there.
Trivia
Dragon's Den is the only location where the player obtains a Gym Badge that is not a Gym.