Absolute skills

Super abilities give a very big advantage!!!

What is SA вообще? Nonsense that you get at incredibly high levels, like 23-25, provided you heavily focus on a strictly defined build (what if they throw in some random perk, and everything is ruined)?

Most Multiplayer games end around level 20; SA is a rare and exotic thing. Since you often need to take unnecessary (random) perks + hope for luck. And spend the whole game struggling with random perks just to get SA right at the very end (if you even manage to get it)?

And in single-player, you can play however you want – if a hero doesn't suit you for the monotonous 100-500 level grind, just take another one; what's the problem? The progression is still the same, all heroes are the same (the special ability is a very small part compared to the total of 25+ identical perks).

Added 10 minutes later

Super abilities give more opportunities; for example, mages can learn another attack and defense spell, otherwise, they have to learn all 4 schools of magic.

A mage will never level up 4 schools; instead, they will normally level up 1-2 (with accompanying perks/artifacts) and will definitely have no fewer chances.