That is the thing with having NPCs of different “fragility”. 4 Mobs of 5 Minions of low ability are rather easy to dispatch even for a somewhat melee optimized starting PC in Conan. For a slightly experienced one, this is hardly a challenge, at all.
But that is a topic, that is not Errata relevant, as it is about the core design goals of the Conan 2d20 rules. It is better discussed here: