Well of Thorns

Creates a well of thorns that spreads out around you. Each creature within 15 foot circle must make a dexterity saving throw against your spell DC. On a successful save the target takes 2d8 piercing damage. on a failed save the creature takes 2d8 and is ensnared, while ensnared their movement is set to 0 and they must make a dexterity saving throw to free themselves.