Hmmmmm its difficult to say, as I had a totally different experience with the original one, which is one of my fav games of all time and I played for over 400 hours so probably I cant give you the best advice.
Black Dungeon in WHQ on hardcore (only way to play the game, other modes are boring) are still quite difficult, expecially if you get ambushed (and you will, if you just wait for enemies to come down to you).
A simple vampire lord or a necromancer on the other side of the dungeon can insta kill everyone if you are not super fast taking him down.
Said that....its been years I never experienced a total party kill in these games....and yet I was just totally demolished yesterday night in WHQ2 (and was not the first time).
There is LOS, its in 3D and the character grow, the skill system and inventory are totally different.
It still feels Warhammer Quest (the boardgame) but imho its the better game for sure.
If you didnt like the first one tough, I dont know.
While different in many compartments, the fun/engagement is the same, at least for me.
Its, imho, fantasy dungeon crawling at its finest, hands down.
It helps it also looks amazing on recent devices.
Yesterday, for example (I already played around 40 hours) I found some never seen before equipment...a spell in particular is amazing. It literally transform to dust your opponent and the glowing effect reflects on the Empire Captain armour....its something really little and probably many wont notice, but this attention to detail makes game a labor of love.
(Yes
I like the game very much in case it wasnt clear
)