In fact, he had found a way but waited for the weak to escape because he wanted to know where Helium H was. It turned out to be not deeper than where he was but a lot more dangerous due to the abundance of Abhorrent Flesh Eaters.
What he also tried to learn was a way to traverse the underground world alone with no guide. Trainers out there were in a variety of ways.
He ran for a day until he saw the light. He came out in a dirty city where slaves of all kinds are paraded and sold. Seeing a small kid, some slavers smiled and sent some people toward him but he lost them in the crowd.
He later found out he was in Abe Town, a lawless community where all criminals stay. However, on a quick scan, he realized that there was no Rank 4 let alone Rank 1 that could pose a threat to him.
So, he got some answers from one of the traders. And later get an amp to Oak Wood Town.
Your gift is the motivation for my creation. Give me more motivation!