The Claykken's Lair is the twelfth stage in Kirby and the Rainbow Curse. It is the fourth stage of Indigo Ocean and the third boss stage of the game. It succeeds Kirby Submarine's Torpedo Time and precedes Rainbow Across the Skies.
Kirby dives through Sawgill-infested waters to reach the boss. The Claykken attacks by reaching his spiky tentacles into the arena; Kirby can counterattack by Tap Dashing or Star Dashing into the tentacles' smooth parts. When the Claykken has taken enough damage, he resorts to launching himself at the pink puff like a torpedo, releasing ink clouds. When the Claykken crashes into the arena, Kirby has the chance to hit his welt to inflict damage.