so it said in the story that Ran had the highest scores they had seen in a combat simulation and was only restricted by the limit on the number of points he could get
it was also shown in a flashback that Ran was told he was reckless during the test, and that what he did was dangerous. he responded with a statement that it's his life force. the only magic I can think of that uses one's life force is the summoning of a god.
so, do you all think he summoned one? or did he try and fail? try and succeed, but then dismiss the god? other ideas?