Name: No Name
Animal based off of: Armadillo/ Porcupine?
Appearance: It takes no form
History: When Shirou was in the wilderness and raising himself to fight the Omega Server, he found himself trapped in a hole. He soon enough got out, when a bunch of humans forced him to fight in a deathmatch tounament. He was at the brink of dying and then he obtained his Guardian, which somehow shielded him from a death blow
Element: Crystal
Abilities: It is invisable first of all, not even Shirou caught a glimpse of him spirit for more than a moment. The creature can randomly make walls and shields of crystal harder than steel. The crystal shatters after 2 posts though. It can also foce enemies to back off by forcing spikes outof the walls though.