Magic Warding Ash

Magic Warding Ash (世界樹魔法『魔守のトリネコ』) is a World Tree Magic spell.

Description
With an open grimoire, the user creates a giant ash tree and directs branches from it to wrap around and block spells. This spell is powerful enough to block devil-enhanced Bone Magic.

Trivia

 * Misspelled in the manga, Toneriko is the Japanese term for Fraxinus japonica, a species of ash tree endemic to Japan.