Bone trap jutsu

Bone trap jutsu: The user sets a trap within range where bone spears shoot up at a target once they enter the affected radius. Dealing high levels of damage. Rank: D. Style: Kekkei Genkai. Chakra cost: 25. Range: 25ft radius centered within 100ft of the user. Save: 10, dex vs bleeding. Damage: 4d8 piercing. Focus: No. Requirements: None. Enhancement: range and radius are doubled. Action