Tavern Brawler Open Hand Monk Build — BG3's Highest-DPS Punch Master

Tavern Brawler Monk At-a-Glance

Why Tavern Brawler Defines the Monk Build

Tavern Brawler is one of BG3's most undervalued feats — and on a Monk, it is mandatory. The feat does two things: it grants +1 to STR or CON (your choice), and it adds your STR or CON modifier to attack rolls and damage rolls of unarmed strikes and thrown weapons. The key word is 'adds' — meaning Tavern Brawler's modifier is added on top of your normal STR/DEX modifier, effectively doubling your ability modifier on every unarmed hit.

On a STR 20 Monk, every unarmed strike adds +5 (normal STR mod) + +5 (Tavern Brawler bonus) = +10 to both attack rolls and damage rolls. That's a hit-rate and damage swing of +10 per attack, multiplied across 4-6 attacks per turn via Flurry of Blows. No other feat in the game provides this kind of multiplied stat investment, and it's the reason Open Hand Monk reaches the top of the DPS chart in late game.

The choice between STR-based and DEX-based Monk is a common debate. DEX is the Monk's traditional stat for Martial Arts (you can attack with DEX instead of STR), but Tavern Brawler in BG3 only doubles STR or CON modifier — not DEX. So if you're taking Tavern Brawler, you MUST go STR-based. The trade-off is lower DEX-based AC, mitigated by Monk's Unarmored Defense scaling with WIS instead of being purely DEX-locked.

Way of the Open Hand subclass is the optimal choice because its Flurry of Blows variants add control and damage to every Bonus Action attack. Standard Flurry of Blows costs 1 Ki for two unarmed strikes (Bonus Action). Open Hand grants three Flurry variants: standard, Topple (knock prone on failed STR save), and Stagger (impose Disadvantage on attack rolls). Topple is the killer — prone targets give Advantage to all subsequent melee attackers and cannot stand without using their movement, effectively locking down a target.

Open Hand Monk Level 1–12 Progression

Recommended Starting Stats (Point Buy / Default)

Feat Choices at Levels 4, 8, and 12

Act 1 Equipment Progression

Act 2 Equipment — Shadow-Cursed Lands and Mountain Pass

Act 3 Equipment — Best-in-Slot

Combat Rotation: How to Play the Build

Turn 1 setup: If you have Symbiotic Entity from a multiclass dip into Spores Druid (or just enter combat fresh), use your Bonus Action. Otherwise, your Bonus Action is for Flurry of Blows. Action: move into melee range (Monk has 40 ft movement at level 6+, 50% jump distance buff at level 9). Use Step of the Wind (Bonus Action, 1 Ki) for Dash if needed to reach a priority target. Then on your Action, attack twice (Extra Attack) with unarmed strikes.

Turn 1 follow-through: After your Action attacks land, use your remaining Bonus Action for Stunning Strike-toggled Flurry of Blows: 1 Ki for the Flurry, 1 Ki for each Stunning Strike attempt. At Monk 5 you have 5 Ki points — enough to Stunning Strike on every attack of every turn for a full short rest cycle. Each unarmed strike that lands triggers Stunning Strike: target makes a CON save against (8 + Prof + WIS mod = around DC 15-17 in late game) or is Stunned until your next turn.

Turn 2 (target stunned): A Stunned target loses all actions, cannot move, and grants automatic critical hits to melee attackers. Your second turn against a stunned target is devastating: every Flurry strike auto-crits, doubling your weapon dice and Tavern Brawler bonus damage. With Gauntlets of Soul Catching's 1d10 force + Coruscation Ring debuffs + Killer's Sweetheart guaranteed crit, a single turn against a stunned boss can deal 150-200 damage.

Resource management: At level 12 you have 12 Ki points + 1 short rest charge of Wholeness of Body (level Monk x 3 HP heal). Stunning Strike attempts are expensive — only attempt on enemies with CON save modifiers below +3 (most non-boss enemies). Save Ki for crucial fights and use standard Martial Arts Bonus Action attacks on trash. Wholeness of Body in clutch survival moments only.

Multiclass Dip Options

Pure Open Hand Monk 12 is optimal for damage and simplicity. However, two multiclass dips are worth considering for niche optimization. The Spores Druid 3 dip (Monk 9 / Spores 3) adds Symbiotic Entity — a Bonus Action HP buffer that grants 4d4 temporary HP plus 1d6 necrotic damage per melee hit. The temp HP scales with Druid level, and the bonus damage stacks with all your other per-hit bonuses (Caustic Band, fire gloves, etc.).

The cost of the Spores dip: you lose Monk levels 10, 11, and 12 (Purity of Body, Tongue of Sun and Moon, Ki-fueled Strikes), and you lose the level 12 feat slot. This is a significant trade. Spores dip is best for hardcore Honour Mode play where survivability is paramount.

Alternative dip: Fighter 1 or Fighter 2. Fighter 1 grants a Fighting Style (Defense for +1 AC, or Unarmed Fighting for +2 unarmed damage). Fighter 2 grants Action Surge — another full Action per short rest. Action Surge on a stunned target = 4 auto-crit attacks. The Fighter 2 dip is the strongest pure-damage dip available, though it costs you Monk levels 11 and 12.

Tempest Cleric 1 or 2 is the third common dip option. Cleric 1 gives heavy armor proficiency (though you can't wear it as Monk), plus Bless, Sanctuary, Cure Wounds, Healing Word, and Spirit Guardians. Cleric 2 (Tempest) gives Destructive Wrath: auto-maximize damage on a lightning or thunder spell, once per short rest. Useless on a pure Monk who doesn't cast lightning, but valuable if you carry Call Lightning scrolls or want to scribe Witch Bolt for situational use.

Open Hand vs. Way of the Four Elements vs. Shadow Monk

Verdict: Open Hand is the best-damage Monk subclass and the easiest to play. Four Elements is widely considered the weakest Monk subclass in BG3 — skip it. Shadow Monk is a strong second pick for stealth-focused parties, but loses meaningful damage compared to Open Hand.

Common Mistakes with Tavern Brawler Monk

• Building DEX-based instead of STR. Tavern Brawler does NOT add DEX modifier — only STR or CON. If you put 17 in DEX expecting it to scale with TB, your Monk deals 30% less damage than it should.
• Wearing armor. Any armor (light, medium, heavy) disables Martial Arts and Unarmored Defense. Bracers of Defense (Act 2) is the only legal AC boost — they count as unarmored.
• Forgetting to use Flurry of Blows. Flurry costs 1 Ki and grants 2 Bonus Action unarmed strikes. Without Flurry, your damage is roughly half. Every turn should include a Flurry unless you're at 0 Ki.
• Spamming Stunning Strike on high-CON targets. Stunning Strike against a target with +4 CON modifier (most bosses) succeeds maybe 30% of the time. Save the Ki and use Flurry instead — the damage from 2 extra hits often outvalues a failed stun attempt.
• Not stacking unarmed-damage gloves. The Monk's bonus damage gloves (Gloves of Cinder and Sizzle, Bloodthirst, Soul Catching) are the build's identity. Without them, you're a melee striker with Bonus Action attacks; with them, you're a per-hit damage stacker that scales with attack frequency.
• Skipping Hag's Hair. Permanent +1 STR on a Tavern Brawler Monk is the single most valuable use of Hag's Hair in the entire game — even better than giving it to Karlach. Take Hag's Hair early.
• Multiclassing too early. Monk's level 5 (Extra Attack + Stunning Strike) and level 6 (Ki-Empowered = magical unarmed) are massive power spikes. Reach Monk 6 before considering any dip.
• Forgetting that some bosses have legendary resistance. In BG3, certain Honour Mode bosses can auto-pass Stunning Strike saves. Save Stunning Strike attempts for non-legendary mooks or after the boss has burned legendary resistance.