Igneous is reunited with Slate, his oldest friend from the Arachna Knights.

When the Spider Riders set out on their voyage, Hunter finds them ill prepared.

Stags' army lays waste to the Kingdom of Nuuma in search of the Oracle Key, only to find their courageous Queen has entrusted it to her Page in hopes he can deliver it to the Spider Riders.

After finding out the Invectids have invaded Nuuma, Hunter is determined to come to the country's rescue.

Every child in the city is playing with a sparkling sphere but Princess Sparkle. After Hunter discovers where the children found the spheres and gets one for her, Sparkle is afraid to tell him that it turned black when she tried to paint it.

Corona takes Hunter to the Hill of Champions; the place where spiders and humans first fought together against the Invectid invaders.

When a mysterious, old man claims to be the hero Quake, Magma is beside himself with joy at meeting his childhood hero.

Now that Buguese has two of the Oracle Keys, the Spider Riders find themselves too weak to defeat his powerful Battle Beetle.

Adventurous teen Hunter Steele follows his grandfather's directions in search of a doorway to the Inner World.

When Magma decides to go on patrol to see is he can get any new information on Portia, Hunter immediately invites himself along for the trip.