Birthday?

This time, Viktor didn't give up but put all his focus on maintaining his soul body. Since this extra body was forged from his own soul, he felt it would be right to call it that.

His mind felt like a mountain was pressing down on it, the pressure burrowing into his skull. But he endured it as he stood up, and at the same time, his soul body stood up as well, making him give a shaky smile upon achieving his first step.

He tried moving his arms and his legs and even tried speaking, which his soul body did the same as well, and he could experience it himself. 

After some time, he could feel exhaustion settling in his head, but he still pushed on as he wanted to make his soul body do some other actions that were different from what his original body was doing. Only if he could do this successfully would he be able to use this technique to its full potential.