It was called the "Universal Reverse Card," a potent formation that could drain half the power of an undead creature and transfer it to the master of the formation.
The formation was activated instantly, and the atmosphere crackled with intense energy. The forest trembled with a violent quake as the formation sprang to life, and Zarathas could feel the might of the formation bearing down on him.
Half of his strength vanished, and his smirk faded away with it. He realized that he was in trouble as Lucas's strength surged to extraordinary heights. From an initial stage aura grandmaster, he became an intermediate-stage aura grandmaster, and his strength seemed to still be rising.