Binding Box

A 7x7x7 foot box of shimmering transparent force appears around you or a creature/object within 20 feet of you.

Only the target of the spell can move freely in and out of the box.

Spells below level 2 cannot pass through the box.

If a creature that was not the initial target of the spell touches the box, they must make a Constitution saving throw. On a successful throw, the creature is simply thrown backwards, taking no damage. On a failed throw, the creature is thrown back as well as taking 1d4 force damage.

The spell ends after 5 minutes or until dispelled, but it can also be destroyed after taking 15 points of damage.