Rosalina breathed heavily as beads of sweat gathered around her temple. She wiped them away with the back of her hand while staring at the corpse of the Terror Mantis lying several meters away.
"Damn, I really need to reach the Infinite Core as soon as possible," Rosalina murmured. "Even using my Rose Petal Eyes for just a few seconds was enough to almost dry up my core."
Julius walked over and nodded. He was feeling the same strain. The sword that had pierced the Terror Mantis's heart had not been created at that moment.
He had placed it there quite a while ago, back when he first noticed the creature. The moment he realized they were dealing with a Celestial-ranked beast, he had quietly prepared the attack and waited for the right opportunity to use it.
That single attack, however, had consumed a frightening amount of his mana.
