Over the next several hours, Leo would encounter and eliminate three more schools of sea monsters.
His teammate wanted to assist him, but they were simply too slow in casting, and when they tried casting anything weaker than Tier 3 magic, their spells would not harm the monsters at all, unlike Leo, who could kill the B-Rank monsters with his Tier 1 Black Bullet.
The third floor of the Labyrinth was much shorter than the previous floors, and it only took them about 12 hours to reach the end.
However, right as they could see the staircase to the next floor, Sarah noticed a massive fin sticking out of the water.
"Watch out! That's an A-Rank monster— Sea Leviathan!" Sarah alerted everyone there.
The Sea Leviathan jumped into the air after Sarah spoke, revealing its long and large body.