A scuffle with Violetta leaves Mia worried about having her secret exposed and Vincent frustrated with once again being left in the dark. The unusually grim oracle leads Mia to rescue Lyria in the Valley of Vapors, where she becomes lost – and in need of rescuing herself. Though Yuko and Mo find her in time, the invaluable Trumptus is left behind for Panthea to fulfill the ominous prophecy.