Within the Belial Gore, Weisz dons an Arsenal suit in his fight against the Element 4 Spirit of Water, Laguna. However, he finds it difficult to gain the upper hand due to Laguna's various water attacks.

The fierce battle between Shiki and Drakken continues. Drakken activates his Overdrive to overwhelm Shiki, but suddenly Arsenal appears!

Within a temple adorned by reliefs of Mother, Shiki and the group meet Nadia, the temple's guardian. They hear from Nadia that the far end of the temple contains hints to finding Mother, but as they venture deep into the temple, they find a scorching cave…

With Laguna's help, Shiki and the gang obtain a hint for finding Mother and leave Red Cave towards the Verdant Planet Foresta. Meanwhile, Elsie's pirate gang, cruising through the Aoi Cosmos on the Skull Fairy, are being pursued by Justice of the Cosmic Government's Interstellar Union Army.

After Poseidon Shura's "Judgment Day" declaration, Shiki and his friends decide to think of a way to counterattack. Laguna suggests an idea that will take Edens Zero to the desert of Planet Sandra.