Even on honor mode games just not that tough.
I agree, but I think we need to be real here, because there are two massive factors here:
1) We know what we're doing, in extreme detail, compared to "normies" with 5E D&D (and this isn't that different, and generally easier). A fight that's trivial with good builds and good knowledge of how stuff interacts can be challenging or even fatal without. Also we know insane numbers of people don't even respec the NPCs much, despite many of them have pretty sub-par setups (Karlach doesn't have Athletics for god's sake, what is even going on with Shadowheart's stat spread? Etc.).
2) Preparation can make an insane difference. If you have the right spells, gear, character mix in the party and so on, a specific encounter may go from again, pretty hard to fairly easy (or in some cases even be trivialized). Also have some idea what's coming and studying the "Examine" on enemies can make a big difference.
That's without even getting into barrelmancy, consumables, etc.
The game needs to be playable on normal without any particularly "together" build, and without preparing for fights. I mean you should probably lose a bit and have to reload sometimes, but not like depressingly much.
And HM is like, insanely cranked compared to even Tactician, let alone Normal. It's just that there's no way you're doing HM in your first run (so you know what's coming, probably actually use the Examine option, don't walk into trap situations, etc.), and you're almost certainly using pretty tuned-up builds.
Like, personally, I have intentionally limited myself on HM by not using any builds that rely on what seem to me to be "dumb" or "annoying" - i.e. like where you dumpstat STR on a STR-based character and just use daily Elixirs of Giant Strength or similar. All characters will have a legit high primary stat! This means I have a LOT less HP from CON than I would if I didn't do that and often lower DEX as well. Anything that involves antithetical or overly elaborate multiclassing is also out, and indeed, I'm trying to do single-class builds where possible (and just shrugging when I miss out on "big" items from events/decisions/kicking people into the abyss). It's still pretty easy to have very strong characters.
Heh there's not really enough barrels in the game to use it that much.
This is very true!
There are kind of slightly disappointingly few, certainly without going around looking for them actively! Like, I'm planning to take out the main level of Moonrise Towers "Guy Fawkes Style", but it's not because that's necessary or w/e, it's because I think it's going to be extremely, extremely funny. However I'm not sure I have enough smokepowder, firewine and oil barrels in camp to really make it sing, so we shall have to see!