After the girls had cleared the cave of F-rank creatures, Anthony used his aura to coat the entire cave, ensuring there were no more threats. Taking advantage of the relative darkness of the cave, this task wasn't a big challenge for him, and in no time, he managed to cover the entire space.
However, just as he thought his work was done, he frowned as he felt a disturbance in the atmosphere. Closing his eyes, he activated a footwork technique, and his body turned black before disappearing completely before the astonished eyes of the girls.