If you really ignore all the fights that get solved because judicious application of destruction magic I guess.
I Ignore them in the same way I ignore all the monsters saitama oneshots. Because they're incidental set dressing to the point conflict. Case in point:
Frieren gets 3 episodes before one of her powerlevel-related failures gets brought up and she beats him because she had 70 years to prepare and was partnered with a genius young mage. Not comparable
Its literally what I said earlier about you completely missing the point of the series alltoogether.
The quen fight isn't about powerscaling a goku fight over who has the strongest int stat and whether or not frieren can win because she has the +1 wisdom battleaxe of mana and the bonus companion +1 int loyalty perk or whatever.
Its about people left behind by the passage of time and how in the grand scheme of history, if you blink, what is cutting edge a century ago is mundane today.
The point of the episode is that in 50 years quen went from the biggest threat to humanity to a standard grunt because he was forgotten by history.
500 years ago a musket was the peak of weaponry, then before that the iron sword, then the bronze dagger, then a sharp stick, then a rock.
The conflict of the episode wasn't about a mage killing a demon, its about two immortals talking about how the bronze dagger is no longer the hottest new superweapon on the globe and remarking on how time flies by.
It genuinely blows my mind how you see this concept about history, time and immortality and in your mind all you can envision is a numbers fight between which party has the biggest int stat enchantment to do most the most mana damage.