Buries a 20ft square in pennies dealing 4d6 bludgeoning damage the pennies despawn at the end of your next turn,

that person must make a Strength saving throw to avoid being knocked prone and must make a Dexterity saving throw if they succeed the dexterity save they take half damage.

if they fail they take full damage and get knocked prone for 3 turns.

for the strength throw you must make a throw of 15 or higher to avoid being knocked prone.

for the dexterity throw you must make a throw of a 14 or higher to not take full damage.