Overall episode: #182. Arcadios pushes Lucy and Yukino safely on top of the ledge, telling them to meet Hisui should they escape. He is then saved from the lava by Horologium. Loke appears with Lucy and Yukino's celestial spirit keys, allowing the celestial wizards to fight Uosuke, who alters the environment around them to counter the various spirits at their disposal. He eventually floods the tunnel with water, inadvertently allowing Lucy to summon Aquarius. (Source: Wikipedia)

Aired on: 5/16/2014