Yamato

Transmutation Cast Time: 1 action Range: 30 feet Duration: Instantaneous You create a brief distortion in gravity around a creature within range. The target must succeed on a Strength saving throw or take 1d8 force damage and have their speed reduced by 10 feet until the end of their next turn. If they succeed, they take half damage, and their speed is unaffected. At Higher Levels: The spell's damage increases by 1d8 when you reach 5th level (2d8), 11th level (3d8), and 17th level (4d8).