Ninjago: Riddle Of The Sphinx

SYNOPSIS

Cole leads the Lowly, Princess Vania, and Master Wu in a series of fruitless efforts to find a way out of Rock-Bottom. Wu tells Cole about a legendary Temple of Earth Elementals known as the Heart of the Mountain. Guessing that the Temple is actually real, Wu suggests that it might be hidden in Shintaro Mountain, and urges Cole to try and tap into his elemental powers to find a way out.