Dark Pebble

The Dark Pebble is a item.

Obtaining
The Dark Pebble can be claimed from Gunther after completing the Rift Race in under.

Trivia

 * Right-clicking with a Dark Pebble will cause a purple particle to appear on-screen.
 * The Dark Pebble a direct reference to Polished Pebble, earned from completing the Woods Race in under 2 minutes.