It had been more than an hour since the battlefield was almost left vacant, excluding Kai's zombies infesting the entire place. With only the corpses staying behind, it was a great chance for Kai to level up his skills again if he could.
However, the requirements for levelling up seemed to be getting harder and harder. He had currently under him; 154 low-tier demons, 78 mid-tier demons, 58 young forest spirits, 5 senior forest spirits and one Viragin, the Incubus Commander. Yet he hadn't levelled up again.
Kai was busy raising all dead creatures his eyes could see. And even though overexerting himself couldn't necessarily kill him, it hurt his very soul and tired him mentally. He didn't even register Crow approaching him until she was within a few metres of him.
"Kai-"