Adamantine Longsword

Rare Magic Weapon
adamantine longsword baldurs gate3 wiki guide 150px

1d8 norma dice icon weapon qualities baldur's gate 3 wiki guide 11d8+1damage slashing icon bg3 wiki guideSlashing
(One Handed)
1d10 icon bg3 wiki guide 11d10+1damage slashing icon bg3 wiki guideSlashing
(Two Handed)

Diamondsbane: If an adamantine weapon hits an object, the hit is always critical.

Lethal Weapon: This weapon ignores Resistance to Slashing Damage.

weapon enchantment icon bg3 wikiguide 48pxWeapon Enchantment +1

icon proficiency bg3 wiki guideProficiency unlocks

pommel strike actions bg3 wiki guide 45pxPommel Strike
lacerate action icon baldurs gate3 guide 64pxLacerate
rush attack action icon baldurs gate3 guide 64pxRush Attack

icon weapon type bg3 wiki guideLongsword icon versatile bg3 wiki guideVersatile

Adamantine Longsword is one of the Martial Versatile Weapons in Baldur's Gate 3. In BG3, each type of weapon has different ranges, damages, and other features (Finesse, Versatile, Dippable, etc).  Characters need to master certain Proficiency before using a weapon, and sometimes gain a special Actions while holding it.

 

Though heavy, this longsword swings effortlessly in your hand - ready to take down a hundred enemies.

Adamantine Longsword Location & Where to Find

 

Adamantine Longsword Notes & Tips

  • Rarity: Rare
  • Value: 1100
  • Weight: 1.35
  • ID: ??
  • Diamondsbane: If an adamantine weapon hits an object, the hit is always critical
  • Lethal Weapon: This weapon ignores Restistance to Slashing damage
  • Weapon Enchantment + 1

 

 

 

 

Weapons
Adamantine Mace  ♦  Adamantine Scimitar  ♦  Air Myrmidon Flail  ♦  Allandra's Whelm  ♦  Ambusher  ♦  Arcane Absorption Dagger  ♦  Arduos Flame Blade  ♦  Assassin's Shortsword  ♦  Assassin's Touch  ♦  Balduran's Giantslayer  ♦  Battle-Worn Blade  ♦  Battleaxe  ♦  Battleaxe +1  ♦  Battleaxe +2  ♦  Belm  ♦  Bigboy's Chew Toy  ♦  Blackguard's Sword  ♦  Blade of Oppressed Souls  ♦  Blade of the First Blood  ♦  Blightbringer  ♦  Blood-Bound Blade  ♦  Blooded Greataxe  ♦  Bloodsoaked Greataxe  ♦  Bloodthirst  ♦  BOOOAL's Arms  ♦  Bow of Awareness  ♦  Bow of the Banshee  ♦  Breaching Pikestaff  ♦  Broken Club  ♦  Cacophony  ♦  Caitiff Staff  ♦  Charge-Bound Warhammer  ♦  Cleaver  ♦  Clown Hammer  ♦  Club  ♦  Club +1  ♦  Club of Hill Giant Strength  ♦  Cold Snap  ♦  Combination Axe  ♦  Comeback Handaxe  ♦  Corellon's Grace  ♦  Corpsegrinder  ♦  Corrosive Flail  ♦  Creation's Echo  ♦  Crimson Mischief  ♦  Crossbow of Arcane Force  ♦  Crude Mace  ♦  Cruel Sting  ♦  Dagger  ♦  Dagger +1  ♦  Dagger of Shar  ♦  Dart  ♦  Deep Delver  ♦  Defender Greataxe  ♦  Despair of Athkatla  ♦  Devotee's Mace  ♦  Doom Axe  ♦  Dragon's Grasp  ♦  Dragons's Grasp  ♦  Drakethroat Glaive  ♦  Dread Iron Dagger  ♦  Duellist's Prerogative  ♦  Duke Ravengard's Longsword  ♦  Dwarven Thrower  ♦  Enforcer Club  ♦  Everburn Blade  ♦  Executioner Sword  ♦  Exterminator's Axe  ♦  Fabricated Arbalest  ♦  Faithbreaker  ♦  Firestoker  ♦  Flail  ♦  Flail +1  ♦  Flail of Ages  ♦  Flail of Dread Skulls  ♦  Fleshrender  ♦  Foebreaker  ♦  Gandrel's Aspiration  ♦  Giantbreaker  ♦  Githyanki Crossbow  ♦  Githyanki Greatsword  ♦  Githyanki Longsword  ♦  Githyanki Shortsword  ♦  Glaive  ♦  Glaive +1  ♦  Glaive +2  ♦  Gleamdance Dagger  ♦  Goblin Bow  ♦  Goblin Scimitar  ♦  Goblinbane Dagger  ♦  Gold Wyrmling Staff  ♦  Gontr Mael  ♦  Greataxe  ♦  Greataxe +1  ♦  Greataxe +2  ♦  Greatclub  ♦  Greatclub (Minotaur)  ♦  Greatclub +1  ♦  Greatclub +2  ♦  Greatsword  ♦  Greatsword +1  ♦  Greatsword +2  ♦  Halberd  ♦  Halberd +1  ♦  Halberd +2  ♦  Halberd of Vigilance  ♦  Hamarhraft  ♦  Hammer of the Just  ♦  Hand Crossbow  ♦  Hand Crossbow +1  ♦  Hand Crossbow +2  ♦  Handaxe  ♦  Handaxe +1  ♦  Handmaiden's Mace  ♦  Harmonic Dueller  ♦  Harmonium Halberd  ♦  Harper Sacredstriker  ♦  Heavy Crossbow  ♦  Heavy Crossbow +1  ♦  Heavy Crossbow +2  ♦  Heavy Spiked Club  ♦  Hellbeard Halberd  ♦  Hellfire Engine Crossbow  ♦  Hellfire Greataxe  ♦  Hellrider Longbow  ♦  Hollow's Staff  ♦  Hoppy  ♦  Hunter's Dagger  ♦  Incandescent Staff  ♦  Infernal Longsword  ♦  Infernal Mace  ♦  Infernal Rapier  ♦  Infernal Spear  ♦  Infernal Warhammer  ♦  Intransigent Warhammer  ♦  Jagged Spear  ♦  Javelin  ♦  Javelin +1  ♦  Javelin +2  ♦  Jorgoral's Greatsword  ♦  Justiciar's Scimitar  ♦  Katana  ♦  Ketheric's Warhammer  ♦  Kurwin's Cauteriser  ♦  Larethian's Wrath  ♦  Least Expected  ♦  Light Crossbow  ♦  Light Crossbow +1  ♦  Light Crossbow +2  ♦  Light Crossbow of Speed  ♦  Light Hammer  ♦  Light Hammer +1  ♦  Light Hammer +1 (Searing Smite)  ♦  Light Hammer +2  ♦  Light of Creation  ♦  Lightning Jabber  ♦  Longbow  ♦  Longbow +1  ♦  Longbow +2  ♦  Longsword  ♦  Longsword +1  ♦  Longsword +2  ♦  Loviatar's Scourge  ♦  Mace  ♦  Mace +1  ♦  Mace +2  ♦  Magical Hand Crossbow  ♦  Makeshift Bow  ♦  Makeshift Crossbow  ♦  Markoheshkir  ♦  Maul  ♦  Maul +1  ♦  Maul +2  ♦  Melf's First Staff  ♦  Merregon Halberd  ♦  Mind Sundering Dagger  ♦  Monster Slayer Glaive  ♦  Monsterslayer Glaive  ♦  Moon Lantern  ♦  Moonlight Glaive  ♦  Morningstar  ♦  Morningstar +1  ♦  Morningstar +2  ♦  Mourning Frost  ♦  Murderous Cut  ♦  Myrkulite Scourge  ♦  Nature's Snare  ♦  Ne'er Misser  ♦  Orphic Hammer  ♦  Pale Oak  ♦  Paleoak  ♦  Pelorsun Blade  ♦  Pelorsun_Blade  ♦  Phalar Aluve  ♦  Pickaxe  ♦  Pike  ♦  Pike +1  ♦  Pike +2  ♦  Pitchfork  ♦  Planeslayer Flail  ♦  Polished Dagger  ♦  Practice Sword  ♦  Promise  ♦  Punch-Drunk Bastard  ♦  Quarterstaff  ♦  Quarterstaff +1  ♦  Quarterstaff +2  ♦  Rain Dancer  ♦  Rapier  ♦  Rapier +1  ♦  Rapier +2  ♦  Rat Bat  ♦  Ravengard's Scourger  ♦  Rebound Battleaxe  ♦  Reinforced Greatsword  ♦  Render of Mind and Body  ♦  Render of Scrumptious Flesh  ♦  Returning Pïke  ♦  Rhapsody  ♦  Ritual Axe  ♦  Ritual Dagger  ♦  Ritual Staff  ♦  Rupturing Blade  ♦  Salami  ♦  Sanguine Blade  ♦  Scimitar  ♦  Scimitar +1  ♦  Scimitar +2  ♦  Scrap Sword  ♦  Sethan  ♦  Shadow Battleaxe  ♦  Shadow Blade  ♦  Shadow Lantern  ♦  Shar's Spear of Evening  ♦  Shar's Sting  ♦  Sharran Crossbow  ♦  Shattered Flail  ♦  Shining Staver-of-Skulls  ♦  Shortbow  ♦  Shortbow +1  ♦  Shortbow +2  ♦  Shortsword  ♦  Shortsword +1  ♦  Shortsword +2  ♦  Shortsword of First Blood  ♦  Sickle  ♦  Sickle +1  ♦  Sickle of BOOOAL  ♦  Silver Sword of the Astral Plane  ♦  Skybreaker  ♦  Slicing Shortsword  ♦  Sling  ♦  Sorrow  ♦  Soulbreaker Greatsword  ♦  Spear  ♦  Spear +1  ♦  Spear +2  ♦  Speedy Reply  ♦  Spellthief  ♦  Spiderstep Staff  ♦  Staff  ♦  Staff of a Mumbling Wizard  ♦  Staff of Accretion  ♦  Staff of Arcane Blessing  ♦  Staff of Cherished Necromancy  ♦  Staff of Crones  ♦  Staff of Interruption  ♦  Staff of Spell Power  ♦  Staff of the Emperor  ♦  Staff of the Ram  ♦  Steadfast Maul  ♦  Steelforged Sword  ♦  Stillmaker  ♦  Sussur Dagger  ♦  Sussur Greatsword  ♦  Svartlebee's Woundseeker  ♦  Sword of Chaos  ♦  Sword of Clutching Umbra  ♦  Sword of Justice  ♦  Sword of Life Stealing  ♦  Sword of Light Stealing  ♦  Sword of Screams  ♦  Sword of the Emperor  ♦  Sylvan Scimitar  ♦  The Baneful  ♦  The Blood of Lathander  ♦  The Clover  ♦  The Dancing Breeze  ♦  The Dead Shot  ♦  The Impaler  ♦  The Joltshooter  ♦  The Long Arm of the Gur  ♦  The Sacred Star  ♦  The Sparky Points  ♦  The Undead Bane  ♦  The Watcher's Guide  ♦  Thermodynamo Axe  ♦  Titanstring Bow  ♦  Torch  ♦  Torch of Revocation  ♦  Torch of True Revocation  ♦  Tough Sunrises  ♦  Trident  ♦  Trident +1  ♦  Trident +2  ♦  Trident of the Waves  ♦  Twist of Fortune  ♦  Twisting Branch  ♦  Undead Slayer Crossbow  ♦  Vicious Battleaxe  ♦  Vicious Shortbow  ♦  Vicious Shortsword  ♦  Vision of the Absolute  ♦  Voss' Silver Sword  ♦  War Pick  ♦  War Pick +1  ♦  War Pick +2  ♦  Warhammer  ♦  Warhammer +1  ♦  Warhammer +2  ♦  Wavemother's Sickle  ♦  Whipping Cane  ♦  Woe  ♦  Worgfang  ♦  Xyanyde



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    • Anonymous

      not sure if bug or oversight, but if dual-wielding with another weapon, both weapons will ignore slash resistance, regardless which hand hold which weapon. even if player is not proficient with the adamantine sword... good for boss killing i guess.

      • Anonymous

        Useful to have but not good to "main" the weapon, reason being that there are many better pure melee weapons

        HOWEVER, your melee damage dealer can fall off a cliff in certain fights late act 2 and beyond bc a lot of enemies will have Slashing/Piercing resist and some with 2x resists (i.e. a certain foundry in Act 3, enemies that rage, any constructs, undead warded enemies, etc)

        If your melee based char doesn't have ways to get around these resistances the adamantine weapons can be pretty useful to pull out for certain enemy types

        • If you plan on using this as a literal "wall destroyer", it won't work as the walls nullifies slashing attacks. You're best to use the mace for that purpose.

          • Anonymous

            What is the true purpose of the diamondsbane??? :S objects? for What? chests? you can lockpick or even destroy them...

            • Anonymous

              A wall (That's an object, right?) that has 100% slashing immunity is still immune to this weapon for some reason, maybe will be patched in the future

              • Anonymous

                so there is actually no point making weapon, because you only crit on "object" aka doors and crates. Craft the two armor they are much better

                • Anonymous

                  Weird they'd put in two slashing weapons for the Adamantine weapons. You'd think they'd have a spear/pike instead of this or the scimitar for the ignore piercing resistance option.

                  • Anonymous

                    how does this not destroy nere's boulder i dont get it. is it a bug? i see the dmg rolls over 22 bypassing the medium toughness but it says the rubble is resistant to slash damage therefore nullifying it completely BUT DOES THE WEAPON NOT IGNORE SLASH RESISTANCE!!?!?!? I DONT GET IT!! AAAAAAAAAA ITS A BUG SURELY ITS A BUG

                    • Anonymous

                      Should have been named "The Lockpick", this will be my designated door and chest opener for my no-rogue party.

                      • Anonymous

                        Really not worth making considering you can find phalar aluve in the underdark as well. The armors are too good

                        • Anonymous

                          As the adamantine weapons are right now, they are not worth the ore. its current stats are simply not good enough. craft medium and heavy armor instead, you are going to use them for quite a while.

                          • Anonymous

                            maybe with the great old one, mortal reminder passive. You could hit a chair and scare a bunch of enemies? Otherwise i don't really get it.

                            • Anonymous

                              The longsword does not have Versatile Hitter. Diamondsbane only causes auto crit on objects (ie. doors and such). Haven't hit a construct with it yet to see if it works on them.

                              • Anonymous

                                so theoritically...
                                feat: dual wield - what allow to hold 2 weapons even if not light but not be heavy(2 handed) i tried you can hold 2 longswords or any versatile weapons!
                                get 2 adamantium longswords - because do always critical hits
                                barbarian level 9: brutal critical skills: When you land a Critical Hit, you roll an extra damage die as well as the normal additional critical dice.

                                so by these things you wield 2 longswords and attacks twice (dual wield with the bonus action)
                                the barbarian brutal critical make an additional CRITICAL dice damage!!!
                                and the adamantium longsword always CRITICAL! so actually you will do 4 ATTACKS!!!

                                • Anonymous

                                  When it says object for the auto crit does that mean inanimate objects or constructs? Because using it doesn't seem to proc it.

                                  • Anonymous

                                    Just made a longsword and mine was 1D10 (1D8)+5 Slashing with a +1 enchant. This is different from the wiki saying 1D10 (1D8)+1 Slashing with a +1 enchant. Everything else was the same.

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