Unidentified Object Magic

Unidentified Object Magic (未確認物体の魔法 Mikakunin Buttai no Mahō) or UO Magic (ユーォーの魔法 Yū-ō no Mahō) for short, is a rare type of Caster Magic that involves the concealment of the true nature of objects, making them unidentifiable.

Trivia

 * This magic is inspired by the unnamed illness from Shounen Shoujo, Hinokage's Mr. Unknown from Medaka Box and Nue Houjuu's abilities from Touhou.