Wondrous Item
Uncommon
The crystal cube contains a highly volatile substance that explodes upon impact.
You can use an action to throw the cube up to 60ft. The cube explodes on impact and is destroyed. Each creature within a 10-ft radius of where the cube landed must succeed on a DC 15 Dex saving throw. On a failed save, a creature takes
2d8 thunder damage and is pushed 10ft away from the point of impact.
A simple black, glass, box.
Cost: 15gp