Level scaling so so so off in this game. Signs are ridiculously over powered, there was zero difficulty in this game pretty much from being able to grab +40% sign intensity through the ability system and it only got worse from then on.
Yrden/igni/aard's stagger/burning/knockback effect should never hit 100% chance, but all did basically, Yrden's slow on the normal version also became ludicrous, something like 85% by the end, anyone in it was powerless to defend/attack basically. In most rpg/mmo alt yrden would be treated as pet/totem, something and would be destroyable(and far far less powerful), here it's the most overpowered thing in the game. Drop it and stand there waiting for everything to drop. Doesn't help that the AI is awful throughout the game.
I spent 10-12 levels feeling this might be the best game I ever played but the next god knows how many hours and 20 or so levels feeling most quests were a grind, combat boring and witcher contracts terrible. Not a single epic battle with a monster throughout the game frankly. Witcher contract, go here, see red stuff, go to monster, drop yrden, get paid... nothing to spend money on.... oh.
If you completely took out all the witcher armour/sword sets... the entire crafting system suddenly makes sense. I mean I had a diagram for a lvl 47 sword. I completed the game at lvl 34 and did every quest and a huge number of the question marks yet I had multiple level 35+ diagrams for stuff I could never use and also wasn't as good as my WAY lower lvl witcher gear.
None of the crafting system makes sense unless there was no witcher sets(maybe an end game one or hugely less overpowered ones). When you got witcher gear which had a flat boost to all signs that destroyed anything any other crafted armour could make, the entire crafting system becomes obsolete bar the witcher sets around lvl what 12.
The killer for a great rpg, is where the main character scales up in power too early too quickly and the game becomes pointlessly easy. This is another game in which this happened.
There is the basis for a fundamentally brilliant game in there with a fantastic world for it to be played in. The first 10 levels are brilliant, if the rest of the game scaled and felt the same it would have been a brilliant game, several things very clearly went wrong at some point in development. It feels very much like this game at some stage(probably quite late in development) was designed to scale to around lvl 50, with a fairly deep crafting system, with loads of new swords to try. Something happened IMHO(lack of money, time, something) and they scaled certain things back which basically broke crafting, level scaling, combat.