Yoroi Tsuchigumo

Yoroi Tsuchigumo (ヨロイツチグモ?) : The powerful version of Tsuchigumo made by the "Armored" Black Puppet Hime at Kayanoki, it stayed underground with it parents gathering its food while its armor hardens. It emerged briefly to help its father escape the Oni. Once fully matured, the Yoroi Tsuchigumo was about to take out Todoroki and Ibuki when Eiki came to their aid, the monster retreated only to be intercepted by Hibiki before it could kill Asumu. It overpowered Hibiki until he underwent Kurenai form, killing the monster with his Bakuretsu Shinku form.