Hunter and Corona arrive at Arachna Castle, and Hunter meets Igneous and Prince Lumen. Hunter must prove that he is a Spider Rider in a duel against Igneous.
Hunter is given a day to relax and decides that he wants sleep. Unfortunately, everyone else thinks he should be doing something else and won't leave him alone.
After finding a sacred talisman called a Manacle, Hunter Steele enters the Inner World through a portal deep within a pyramid. Here he meets Corona, a Spider Rider, and Shadow, a battle spider destined to be Hunter's partner.
Buguese's loss to Hunter and Corona amuses Grasshop, who decides to prove his superiority by defeating the Spider Riders. However, Sparkle's creativity leads to Hunter's success in defeating the Invectids.
Lazy Prince Lumen is asked to defend a village from the Invectids, but he makes a deal instead. At first the Invectids promise that they will settle in their own village and never attack. The Invectids attack again, and Lumen fights back.
Hunter and Corona are on their way to Arachna Castle, the home of the Spider Riders. On the way, they must save a village being attacked by Invectids led by Grasshop of the Big Four.