The Cauldron

The Cauldron is a nighttime stage that holds one of the four barrier stones

Story
Percival travels through this area to locate a barrier stone deep within the volcanoes. It is unkown what the barrier stone says

Gameplay/Environment
It is probably called the couldron due to the fact is tis nothing but a pool of hot lava. Eventually in the game, a river of lava is surfed on, the player enters a field of geysers, and they also climb a large wall to reach the goal

Trivia

 * Despite the immense heat that the lava emits, the wood buildings floating in the area are not burning