User blog comment:Jopjopjop/Volume 20 Spoilers/@comment-1359322-20150701134627/@comment-26322543-20150701204114

@anon: You don't think summoning legendary weapons is strong? lol Someone never watched Fate.

And Fenrir was said to be Heavenly Dragon Class. He still stopped because of ISE. So power level isn't very consistent in this series.