Active when you have certain number pieces of this class on board, each level of the same synergy effect stacks 2: All allied Knights gain a 100% chance at the beginning of each round and then a 25% chance in every 3 seconds, to obtain a damage-reducing shield, which grants +75% Magic Resistance, +30 Armor. The shield lasts for 2 seconds. 4: All allied Knights gain a 100% chance at the beginning of each round and then a 48% chance in every 2 seconds, to obtain a damage-reducing shield, which grants +75% Magic Resistance, +30 Armor. The shield lasts for 2 seconds. 6: All allied Knights gain a 100% chance at the beginning of each round and then a 65% chance in every 2 seconds, to obtain a damage-reducing shield, which grants +75% Magic Resistance, +30 Armor. The shield lasts for 2 seconds.