How to Get Harmonic Dueller in Baldur’s Gate 3

The Harmonic Dueller is a rare Rapier weapon in Baldur’s Gate 3 obtainable from Entharl Danthelon, a vendor in Act 3, BG3.

In Baldur’s Gate 3, finding the right weapon can define your combat style, especially for finesse-based characters who rely on speed and precision. The Harmonic Dueller is a standout choice for dual-wielders and rogues, offering unique bonuses that enhance both offense and versatility. In this guide, we’ll explore the Harmonic Dueller, how to acquire it, and tips for using it effectively in Baldur’s Gate 3.

What is the Harmonic Dueller in BG3?

In Baldur’s Gate 3, Harmonic Dueller is a rare Rapier and you can buy it from Entharl Danthelon vendor in Wyrm’s Crossing during Act 3.  This weapon offers 1d8 + 1 piercing damage and a special Mellow Harmony action.  When the wielder succeeds in a DC 15 performance check, it grants all your melee weapon attacks additional damage equal to your Charisma Modifier. Once you’ve activated Mellow Harmony with an action, you have 10 rounds of additional damage.

Harmonic Dueller Abilities and Effects

Below are all the features, abilities, and effects of Harmonic Dueller in Baldur’s Gate 3:

• Weapon Type: Rapier
• Proficiency Requirement: martial weapon proficiency
• Rarity: Rare
• Weight: 0.9 kg / 1.8 lb
• Price: 380 gp
• Where to Find: Vendor Entharl Danthelon in Wyrm’s Crossing in Act 3.
• Mellow Harmony: You make a DC 15 Performance check, successfully granting all your melee weapon attacks additional damage equal to your Charisma Modifier.
• Classes Who Can Equip: Barbarian, Bard, Fighter, Paladin, Ranger, Rogue

How to Get Harmonic Dueller in BG3? Explained

You can buy the Harmonic Dueller from Entharl Danthelon in Danthelon’s Dancing Axe, during Act 3 in Baldur’s Gate 3. At the beginning of Act 3, in Rivington, head north. You’ll encounter a city street on a bridge leading to Wyrm’s Rock Fortress. Danthelon’s Dancing Axe house is in the last house on the northwest side of Wyrm’s Crossing. Engage with Entharl Danthelon and purchase the Horns of the Berserker from him for 1,150 gold. This purchase price may be higher or lower depending on the NPC’s attitude towards you.

It’s a vendor rotation item, so the vendor may not have it available immediately. You may need to take a long rest and return to Danthelon’s Dancing Axe to check his new stock. He should have additional or different items each time, so it may take a few attempts before you can get it.

How to Use the Harmonic Dueller in BG3?

The best class for the Harmonic Dueller is the Bard. The Bard College of the Sword subclass makes a perfect pairing focusing on high charisma and bardic inspiration for Blade Flourish. Moreover, the Bard has an Extra Attack, giving you two attacks per action spent. If you kill one target, you can combine an Elixir of Bloodlust and Potion of Speed for two additional actions per turn. This adds some serious firepower to a cheap Rapier in Act 3.

The Harmonic Dueller Rapier requires either martial weapon proficiency or rapier proficiency. Classes that can equip Rapiers are Barbarian, Bard, Fighter, Paladin, Ranger, Rogue, and Drow race.

Tips and Tricks for Harmonic Dueller in BG3

These are the best tips and tricks for finding and using Harmonic Dueller in Baldur’s Gate 3:

• If you’ve recruited Jaheira, you’ll also be directed to the same house basement to gather information from the Harpers about the Baldur’s Gate and Gortash situation.
• The Mellow Harmony passive can apply its damage bonus multiple times to a single melee weapon attack.

FAQs about Harmonic Dueller in BG3

Where can I find Harmonic Dueller in Baldur’s Gate 3?

You can find the Harmonic Dueller for sale from merchant Entharl Danthelon at Danthelon’s Dancing Axe during Act 3 of BG3.

Which classes or builds benefit most from Harmonic Dueller?

The College of the Sword Bard will benefit the most from equipping the Harmonic Dueller during the end-game of Baldur’s Gate 3.

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