Earth crumbling genjutsu

Earth crumbling genjutsu: The user creates an illusion in which the earth crumbles underneath any targets in range causing them to fall underground and dealing a large amount of damage to them. Rank: C. Style: Genjutsu. Chakra cost: 50. Range: 50ft radius centered within 100ft of the user. Save: 12, int vs being knocked prone. Damage: 6d10 force. Focus: No. Requirements: None. Enhancement: +2 damage die. Action