And how many times do you think he did that archer trick on Earth? He learned it from his master and used it as a hobby, so yes, he multiplied his mana by many times even before knowing it existed. You may not have realised it because this author is more like "Show not Tell" and he is very subtle, he was already doing that thing in chapter 1, he even fought with his friend about it. The tension of Makoto's battle against Sophia came exactly when he took the rings out, and even so, she was almost winning, one lucky hit, and Makoto would be a goner. And that thing to break her sword, was 80% protagonism, 20% his training. Sophia was weaker but had tons of combat experience, different from Makoto, she had her advantages. But what can defeat the Sage? As I said, that thing is more broken that the Predator, Himuru doesn't even need to learn how to fight, the Sage do that for him with the precision of a NASA computer. " Makoto was never really hurt from the enemies" Black Spider almost killed him, Sophia cut two fingers at the beginning of the battle, and no Dwarf Coat or Realm Barrier could stop that blade. One lucky hit and he would be cut in half, that's why he tried to keep a distance.