Hunter and Corona arrive at Arachna Castle, and Hunter meets Igneous and Prince Lumen. Hunter must prove that he is a クモ, スパイダー Rider in a duel against Igneous.
Hunter is 与えられた a 日 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 クモ, スパイダー Rider, and Shadow, a battle クモ, スパイダー destined to be Hunter's partner.
Buguese's loss to Hunter and Corona amuses Grasshop, who decides to prove his superiority によって defeating the クモ, スパイダー 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 ホーム of the クモ, スパイダー Riders. On the way, they must save a village being attacked によって Invectids led によって Grasshop of the Big Four.