Lex did not go anywhere, or do anything. In fact, he sat down exactly where he was, summoning a chair and a small light to ensure that everyone could see this spot far and wide. Lex did not believe in doing things himself if others could do it for him.
He had a lot of enemies in this place. In fact, he had so many enemies here that he wasn't even certain who he would end up facing. There were the dragons, the Sanuis Pluvia, a number of bounty hunters, a group of guys who were pissed at Lex for his role in Lovers Island, and so on and so forth. Someone had given him a list, but after ensuring he knew who the most dangerous ones were, he couldn't be bothered with the rest.
Considering the extremely volatile nature of this place, Lex did not expect most to take action against him easily. Only the very bold, or the very stupid would make such a move.