He was completely covered in algae. He probably looked like a swamp monster. He yanked at it until he had at least removed what had grown on his skin. His hair would need something more, and his clothes were totaled. He searched through his pockets. His IDs were all ruined, and his knife still opened but was a filthy mess. He walked towards the city. He would need new clothes. He was tired.
He reached the city. It did not look good. Everything in ruins. He stopped time and ran through the streets trying to find anyone. Finally, he ran across a familiar-looking woman, crouching over a small fire she had apparently started with no fuel on the sidewalk.
"Hello Ki. Where is your sister?"
The woman looked at him for a moment, then began to violently shake her head. "Not Ki anymore. No more sister. Strength is gone."
He almost had to laugh. "What are you now, Level 3?"
She kneeled down on the ground and began to cry. Disgusting. He froze her and shoved her head into the fire. He wondered what that would do. He walked away. All of his planning, all of his maneuvering, it had all been worthless. He restarted the world as he walked. The screaming began immediately. What kind of pyrokinetic wasn't even fireproof? What a joke. All of it had been worthless.
Shit, he should have asked her how many people were left. The city looked pretty much abandoned. He thought for a few minutes. It couldn't have been more than 10 years. What had happened?
Eh, he didn't really care.
Thinking about it, this might be a net positive. He was almost certainly the strongest now. Probably the strongest ever.
It was time to go exploring. He smiled widely to himself, began cleaning off his knife, and froze everything. He walked off alone. The world was his.