Billions

Since there were only a few hours to the fight, they passed by quickly. Given that there had only been a 24 hour notice, Lex did not expect too much of a crowd to gather. After all, there was not much time for the news to spread. Even then, by 'not too much of a crowd' Lex meant a few million guests. After all, Ragnar was quite a celebrated figure. In his own empire, or circles, no doubt Warheil was the same. 

It was while having this thought that Lex realized that while he knew a lot about the Jotun empire, he knew next to nothing about the devils. It was something he needed to remedy.

Still, standing in the air above the colosseum, he was beginning to realize, he had no idea what a Heavenly Immortal truly represented.

With 1 hour still remaining to the fight, over 3 billion guests had already gathered at the Inn! Since it had already become one, regardless of whether Lex was originally planning for it or not, Lex turned the fight into an 'event'!