Kael didn't know how much time had passed, but they were at a standstill for a long time, neither budging against the other. However, as time passed, he noticed that its dark energy was absorbing into his body and slowly raising his mana reserves instead of hurting him.
The apparition grew weaker as his mana reserves rose steadily, and Kael no longer felt the pressure on his body. In fact, he gained the edge over the opponent, but he continued to act like he was struggling and greedily absorbed its energy until the apparition became a tiny wisp.
The chained cat woman's eyes widened in shock. Despite her state, she no longer looked like she was suffering. She looked joyous.
"Thank you for the meal, whatever you are." Kael stopped his acting in the end and flicked away the dark wisp.
He then stepped toward her, intent on cutting her binds, but as his hands neared her—she smiled.
"Well done, my master. Now, let us become one."