SINS is a deck-destructor and a highly competitive game. It’s built from the core to be an aggressive game of powers and weaknesses. Both attacking and defending will cost you deeply and exhaust your hand. Therefore, be careful not to be too aggressive or too defensive, as you might lose your advantage. Pick your battles, save your strength, take the hit, and fight back when your opponent is exhausted. Each battle pack of cards has a specific sin and each sin has a unique set of principles, which can either form or change your strategy as you play through the game. SINS: Celestial Energies introduces 3 expansion packs for use with any SINS Battle Pack. Will of Ancients Surge of Titans Path of Eternals —description from the publisher