
Aracne is a Phantom born of an unnamed gate that has fallen into despair. He is also the main antagonist in the episode in two episodes that are ''Shattered Memory'', and ''Wiseman's Thruth'' of the Kamen Rider Wizard series, he also appeared in a Kamen Rider Wizard movie, that is Heise Rider vs Showa Rider: Kamen Rider Taisen feat. Super Sentai.
His target was Masahiro Yamamoto who is buying baby items for his pregnant wife at the flea market. It is able to merge to the ground and possessing a hard exoskeleton. Eventually he fougth Wizard and was defeated by him.