Effect updates and description changes can be seen here. Aaron's Secret is a Bravery Deck specific effect card. It can increase the attack of a monster by 75% (including the enemies'). Best used on creatures with an already decent attack or HP in the later stages of the game or with charge, such as Ice Cap or Aaron. Soul Type: Bravery Cost: 5 Effect: Increase the attack of a monster by 75%. Rarity: Blue (Rare)