Guon Stones

Guon Stones are orbital items that orbit the player and block enemy shots, while also having various additional effects:

Trivia

 * Guon Stones are based upon the Ioun Stones from Dungeons and Dragons. This is further supported by their varying colors and shapes.
 * Guon Stones synergizing with +1 Bullets and Amulet of the Pit Lord might allude to all three items being based in table-top role-playing games.