The game has great mechanics so I don't see any reason for Larian not to add a tactician+ in a patch that allows us to interact more with the best parts of the game.
What would it be?
+1 armor, +1 attack per enemy level, adding more scrolls and potions to select enemies, adding +1/2 minor goons to select encounters? Won't change the difficulty much. If you're rolling the enemy, you are ROOOOOLLLLING them.
And fights like Raphael, for example, seem very well tuned. I was on the edge there.
From what I've noticed tactician significantly improves AI over medium, and also gives +30% more hp as well as +2 AB & +2 spell DC.
Imo the way to do it is increase the enemy health for once. Biggest issue atm is things don't get to act. And give maybe a scaling damage and ab boost based on enemy challenge rating or smth.
Another good change would be reverting initiative to d20 (t's is d4 atm in the game) to make it harder to outright win, but also introduce a delay turn function so you can still have fun with combos (but at the cost of delaying your turn).
I tested the increased stats and it definitely improves the game, I had to practically double HP for it to make a difference.
Boosting AB and Spell DC also works pretty well.
What I don't recommend is increasing the AC a lot. More than +2 already starts to be problematic.
I'm not sure if there's a way to reasonably increase the damage dice so that some fights aren't impossible. You would probably have to edit each enemies individually.
Although that doesn't seem necessary right now as the enemies seem deadly enough if they can survive the first turn of combat.