The objective is to collect jewels to complete your amulet. You need 7 different colored jewels or 8 of any kind of jewels to complete the amulet and win the game. Powerful spell cards are auctioned off each turn using a fixed set of energy stones (each player has 10 to use throughout the game). The winning bidder places their winning bid (in energy stones) on the acquired spell card - this card will remain in play for a length of time related to the number of energy stones placed on it. Each turn energy stones are removed from the spell cards - these energy stones are then available again for future bidding (and so these energy stones are recycled throughout the game). The spell cards give each player some resource production (4 different kinds of metals) and usually a special ability that can be used in the game. With the metal resources, the jewels are auctioned off on the main board and are acquired by the players in their quest to complete their amulet. - BoardGameGeek