Omni-stones are items in Skylanders: Ring of Heroes that can be used to exchanged for Skylander Soul Stones the player has on hand. Skylanders that you don't have can't be exchanged.
Omni-stones are items in Skylanders: Ring of Heroes that can be used to exchanged for Skylander Soul Stones the player has on hand. Skylanders that you don't have can't be exchanged.