Standard dice mode: everyone misses nearly all the time, spell slots mostly get wasted, encounters drag on forever. Prone to streaks and confirmation bias.
Are you sure you are playing the game right? Using skills your character's are proficient in, targeting enemy weaknesses etc. debuffing tougher enemies etc. Number's seem to be stack in favour of things getting hit. Karlach alone can burn through 1 or 2 enemies per turn. I think I died once so far, and it was due to some AoE cheese.
It is really rare for me to see sub 80% chance to hit. And if I do, I usualy opt to do something else.