The object of the game is to rescue the required number of Lost Souls (usually five) before the opponent does. To rescue a Lost Soul, a player must initiate a rescue attempt by playing a Hero. The opponent then plays an Evil Character to block the rescue attempt and start a battle. In a battle, players take turns playing Enhancement cards to make their characters stronger. When both players have finished playing Enhancements, the player whose character's Strength is equal to or higher than their opponent's Toughness wins the battle; if the Hero wins (either by having higher Strength or by removing the Evil Character from the battle via a special ability) or the battle is tied, the Hero rescues the Lost Soul. After the battle, the winning character remains in play and can be used again on the next turn, and the losing character as well as all Enhancements played during the battle are discarded.