Presence of the Demon King

Gravity Magic: Presence of the Demon King (重力魔法『魔王の御前』) is a Gravity Magic spell.

Description
With an open grimoire, the user dramatically increases the strength of gravity in an area in front of them. Any objects in the area are slammed into the ground. It is capable of stopping a large projectile, bending magical light, and snapping trees in half.