Cube

The Cube is a divine vehicle reserved for use by the Gods of Destruction and their Angel attendants. Shaped like a transparent, glass-walled cube, it can travel freely to any point within a universe and also cross the barriers between separate universes, a feat beyond the reach of most other forms of transportation in the Dragon Ball cosmos.

During the Tournament of Destroyers arc in Dragon Ball Super, the Cube played a central role in logistics. Champa used one to transport Team Universe 6 and their guests to the Nameless Planet where the tournament took place. Whis used another to bring Team Universe 7, first stopping at Beerus' Planet to pick up Beerus and Monaka before continuing to the tournament venue.

Hit's Reward

Vados originally offered Hit a Cube as his reward for winning the Tournament of Destroyers. However, after his deeply satisfying fight against Goku, Hit lost interest in the prize and deliberately forfeited his match against Monaka. As a result, Team Universe 6 lost the tournament, and Hit never claimed the Cube.

The Cube's glass-like walls appear to serve a practical function during space travel, generating a breathable atmosphere for its passengers. When Team Universe 7 was transported inside Super Shenron's body, the walls temporarily disappeared, as the interior of the dragon apparently contained a breathable environment on its own. The walls instantly returned once the group re-entered the vacuum of space.