Yamato

Conjuration Cast Time: 1 action Range: 15-foot cone Components: V, S, M (a handful of sawdust) Duration: Instantaneous Effect: You conjure a burst of sharp wooden splinters in a 15-foot cone. Each creature in the area must make a Dexterity saving throw. On a failed save, they take 3d10 piercing damage and have disadvantage on attack rolls until the end of their next turn due to the splinters lodged in them. On a successful save, they take half damage and are not affected by the disadvantage.