Bead of Force

Action: Throw max 60 feet. 10-foot radius DC 15 DEX save or 5d4 force damage. Transparent force sphere encloses area 1 minute. If completely in area and fail save = trapped. Otherwise pushed away. Only breathable air can pass through. No attack or effects can. Enclosed creature can use action to push against wall, moving the sphere up to half walking speed. Sphere can be picked up, weighs only 1 pound, regardless of the weight of creatures inside.