Mistilteinn Seed

World Tree Magic: Misteltein Seed (世界樹魔法『ミスティルテインの種』) is a World Tree Magic spell.

Description
With an open grimoire, the user throws a seed at a target. The seed drains the target's magic and rapidly grows into a large tree around the target, immobilizing them.

Trivia

 * This spell is unnamed in the manga.