|Rōmaji||Sui mon no kagi|
The key can be acquired by finding Rogue Fastfinger in the village of Burrowell. Rogue is hiding in a secret passage within his prison cell. By probing the back of the cell, the secret entrance can be found. Rogue gives up the key when talked to by the heroes.
The Floodgate key has only 1 specific usage. It is used in Slewse to open the floodgate located in the northwest corner of town. Opening the floodgate causes the river to flood, providing access by Ship to the Tower of the Moon.
|v · e · dDragon Quest II|
Cave to Rendarak • Charlock Castle • Dragon's Horns • Gwaelin's Gate • Hall of Hargon • Lake Cave • Lighthouse • Pillar of Winds • Quagmire Cave • Sea Cave • Tower of the Moon • Wellspring of the Hero
5 Sigils • Celestial skein • Echoing Flute • Eye of Rubiss • False idol • Golden key • Jailor's key • Moonshard • Ra's mirror • Ship • Silver key • Subtle shuttle • Sunken treasure • Teleportal • Floodgate key • Windbreaker • Yggdrasil leaf