C1544 Killing the Two-footed Flying Dragon

"How can you be so fast?" "Have you also broken through to the level of your mother?"

Isabella shook her head at her sister's passionate inquiry. "I did break through, but it was only a rank 6 one."

"That's impossible. Even your mother couldn't explode at such a speed. How did you do it?" Ishabena's face was filled with disbelief.

"Elder sister, this is also the reason for my return