Andrew rarely used the ancestral power that Valerius had passed down to him. However, within it was a powerful dark aura.

Andrew could not figure out what was going on, but he trusted that instinct would not mislead him. The successive battles had already made him feel the opportunity for a breakthrough. Now, he had to boldly give it a try no matter what.

Entering the secret chamber, Andrew locked the door tight, isolating them from the outside world. Then, he sat facing Nyx.

Nyx's golden hair was braided and tied behind her head. She wore a simple, conservative black dress that revealed no skin at all. Even so, she did not need to reveal anything, as her face, hands, and neck alone seemed to glow with pale light.

She said, "You may begin now. If you show any signs of losing control, I'll forcibly stop you."

Andrew nodded. "Alright."

He sat cross-legged, wasting no words. The werewolf heart and the vampire duke's blood core were placed on either side of his hands.

At first, Andr