I ran a group that moved from Sunless Citadel, through Forge of Fury, and on to Red Hand of Doom in 5e. It went well. I expect you'll have fun running the various abashai.
Spoilers:
You can have the orcs in Forge of Fury causing trouble due to being displaced by the hordes from RHoD.
The orc...
Echoing the thoughts above. As your party has single target damage covered really well, I'd focus on crowd control. Get Fireball, obviously, but then look for ways to set up the rest of the party effectively. One spell that I have gotten good use out of is Hypnotic Pattern.
Bump your Int as...
Ah, I was forgetting the first part of Heavy Armor Master. I had been thinking that the relatively small reduction in damage was a bit weak at 6th level, but as it gets you to Str 20 "for free" that make a lot of sense.
Try to get your DM to give you the extra d8 against all creatures with...
There is a Dwarven Thrower available in PotA, so the build doesn't depend on future seasons. In fact, I have a Mountain Dwarf Fighter (EK) who is having quite a blast with his.
Crossbow Expert is important if you plan on continuing as a tank.
Dueling applies. Crawford said on twitter that a...