User blog comment:HelloFalman/Ankhseram Magic Inablity/@comment-31.132.65.53-20150807101241/@comment-31.132.65.53-20150807204440

Which part of Zeref lost to Ultear because he had no control over his magic you don't understand?

Besides, there are many cases where a character from the main cast defeats a much stronger opponent, because the plot/author favors them.