You misunderstand me.
My point is that kingmaker is a deadly environment even though it does NOT use such spells 99% of the time.
I am not sure if the basilisks from BG1 are a good example.
Or to put it better, they are a good example why I agree with Niara.
I could only beat them by distracting them with the animate dead spell (skelletons are immune to petrify and enemies go after the first thing they see)
There are a few stone to flesh scrolls, but I do not remember any protection from petrification spell. (its been ages)
Hoping to win the save or having to reload is not fun.
In BG1+2 its game over when your main char goes down.
Imo BG1 did enemy design better than either BG2 and PK. In BG1 you generally can find warnigns about how dangerous an area is. In the case of basilisks there are petrified statues everywhere. And there are a few solutions available: the protection from petrification spell, a potion with the same effect, summon undead spells and finally, if you arrive on that map without any of the above, there is a friendly ghoul that can practically solo all the basilisks on the map for you.
PK and BG2 don't bother with warnings in the case of some dangerous enemies, while giving them practically instakill abilities. PK devs ended up backtracking and toned down some enemies, that many players complained.
I agree with you in so far, that I liked BG1 more than BG2, especially regarding this topic.
BG1 is a low level game. It is dangerous because you have only a few hit points and its not easy to find or afford magic equiment.
I also liked that the whole world was one map, only split into several maps because of technical limitations. But thats a different topic.
I do not remember an enemy that throws instant death spells at you, but I am not sure.
BG2 uses many such spells and its game over when your main char dies. Except for those players who played those games 100 times already you cannot know where to find what enemy and what this enemy can do. You also cannot cast all protection spells all the time just in case you run into something dangerous. This means you can only find out stuff by fighting this enemy, finding out how it killed you (not easy, when you see the game over screen you cannot look at the log to see what spell has been used), reload and maybe rest to select different spells.
As for Kingmaker: As I have told before, the world is very deadly even though very few enemies use such abilities.
The biggest problem would be the wild hunt enemies. Each of them does try to paralyse the whole group every round. According to PnP rules you should be immune for 24h if you resisted it once. Only blind fight or freedom of movement can protect you from it, but unless you read a guide you will probably die a few times until you find this out. According to PnP rules, blind fight should not prevent gaze attacks, it should only reduce the penalty if you fight with closed eyes to avoid the gaze attack.
Prof. Dr. Dr. Mad S. Tist 
