So..don't sit there pegging it until it dies? do you have to be forced to play "fairly" for it to be fun for you?
The bigger problem is that stealth is busted.
There is a staggering mechanics the players are supposed not use for "fair" engagement, simple because Larian due to weird intentions fundamentally brokes everything. You try to play with any system and the game falls apart... unless it's actual DnD ruleset, in which case AI will should "screw you" and break it for you on their turn #concentration.
