Tavern Brawler is a pretty powerful setup for a grappling character. I saw a human fighter build that took it at level 1, who then took Shield Master at level 4 (pre-XGtE). Would attack with the shield as an improvised weapon, initiating a grapple, then drop them prone with the shield as a bonus action. While they didn't do much damage themselves, they would combo with the barbarian (Great Weapon Master) and rogue (Sneak Attack) to basically obliterate one target a round.
You get to add your Str modifier to the damage too, so it's 1d4+Str, not just 1d4. Assuming at least a 16 Str, you're looking at an average of +5.5 damage, plus you can continue to attack with the shield with your proficiency modifier if your allies don't kill it (otherwise you have to spend an action to drop the shield, attack without proficiency, or release the grapple).So I have one extra feat for 1d4 worth of damage during that setup round.
Unless I'm missing something here, I feel like it's not worth it.
I thought about it too, but it wouldn't add anything to the game play aside from dealing 1d4 worth of improvised weapon damage during the first round, for an entire feat.
What you do is: Attack with improvised Weapon which gives you free grapple check, then bonus action shove with shield.
What I do without the feat: Grapple check which count as an attack, then bonus action shove with shield. So I have one extra feat for 1d4 worth of damage during that setup round.
Unless I'm missing something here, I feel like it's not worth it.
@dnd4vr: That's exactly what I wanted to do! Sneaky rogues are fairly common, but bouncers / brutes?
@Myzzrym: So, just FYI I decided to go with a human bard (valor) with a pirate background and the tavern brawler feat. Using point-buy, ended up with:
STR 16, DEX 12, CON 14, INT 10, WIS 10, CHA 14.
I decided on the valor bard due to medium armor, shields, and martial weapons at level 3. Then at 4th, I can take Shield Master. Valor bard also gives me Expertise in Athletics (gained as a Sailor/Pirate). Also, the bard spells can be handy and at 6th level gain Extra Attack. Enhance Ability (also learned at 3rd level) will give me advantage on STR checks when I really need it.
Anyway, thanks for starting the thread since it gave me a lot to think of for the character I needed.