Just as Alan had mentioned before, the Trial Magic Array assigned opponents randomly to everyone who entered it, meaning Natsu and the others had to rely entirely on luck if they wanted to fight their previous opponents.
Seeing the thoroughly annoyed expression on Natsu's face, Alan knew instantly that Natsu hadn't been matched against Charizard. It was most likely Blastoise, and judging by Blastoise's defenses and water-type resistance against fire, Natsu's match must have been agonizingly frustrating.
Sure enough, by the time Alan walked over, Natsu was already loudly complaining.
Chapter 191