[Congratulations! You have broken through to Rank 7 Super Soldier!]
He opened his eyes, and a thick streak of lightning zapped through his eyes, striking the ground a few meters away.
He clenched his fist, as he felt his muscles growing stronger rapidly. In just a few minutes, his cells had doubled in size and his strength and stats had also doubled compared to level 6.
With the doubled physique, the small cuts and scrapes on his body healed instantly, and the fatigue from his long run vanished. He felt healthier and more lighter then before.
Just as he was getting used to his new strength, a new sound reached his now enhanced senses.
It started as a low rumble, a faint vibration he could feel in the stone floor. But it grew louder, and louder, until the entire grotto was shaking.
Levi's face turned pale. He didn't hesitate as he jumped to his feet.
He cautiously moved to the entrance of the cave and peeked out from behind the waterfall at the entrance of the cave
