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Baldur's Gate 3: Bladesinger Assassin Build Guide - Devastating OP Build Explains how to create an extremely powerful build by making a Bladesinger Wizard an assassin in Baldur's Gate 3. This build quickly eliminates enemies by utilizing high mobility, powerful burst damage, and offensive and defensive spells. It creates synergy by combining the Swashbuckler Rogue, Bladesinger Wizard, and Hexblade Warlock subclasses, and performs efficient combat by utilizing various equipment and spells.
Baldur's Gate 3: Bladesinger Assassin Build Guide - Devastating OP Build
1. ⚔️ Bladesinger Assassin Build Overview: Devastating Abilities and Key Features
  • ✅ This build can eliminate enemies in an instant with excellent burst damage.
  • ✅ Navigate the battlefield with high mobility, utilizing stealth and ambushes.
  • ✅ Enhances combat abilities through attack and defense spells.
  • ✅ Based on the Swashbuckler Rogue, allowing surprise attacks even without stealth.
  • ✅ Utilizes the Bladesinger's spell utility to enhance AC, movement speed, and saving throws.

ClassKey Abilities
Swashbuckler RogueSneak Attack, Cunning Action (Hide, Dash, Disengage)
Bladesinger WizardBladesong, Various Spells
00:31 - 02:38
1. ⚔️ Bladesinger Assassin Build Overview: Devastating Abilities and Key Features
  • ✅ This build can eliminate enemies in an instant with excellent burst damage.
  • ✅ Navigate the battlefield with high mobility, utilizing stealth and ambushes.
  • ✅ Enhances combat abilities through attack and defense spells.
  • ✅ Based on the Swashbuckler Rogue, allowing surprise attacks even without stealth.
  • ✅ Utilizes the Bladesinger's spell utility to enhance AC, movement speed, and saving throws.

ClassKey Abilities
Swashbuckler RogueSneak Attack, Cunning Action (Hide, Dash, Disengage)
Bladesinger WizardBladesong, Various Spells
02:39 - 04:30
2. ✨ Core Spell and Equipment Combinations: Maximizing Synergy
  • ✅ Use Shadow Blade to add psychic damage and cast at higher levels to increase damage.
  • ✅ Wear the Ballistic Armor to remove piercing damage resistance.
  • ✅ Utilize equipment such as the Shade Slayer Cloak, Sarevok's Helmet, and Dead Shot to increase critical hit chance.
  • ✅ Use darkness spells to maintain stealth and prepare for surprise attacks.
  • ✅ Use the Haste spell to gain additional actions and increase combat efficiency.
  • ✅ Utilize the Hexblade Warlock's abilities to scale the damage of your main weapon with Charisma.
  • ✅ Secure vision in the dark through Devil's Sight.

ItemEffect
Shadow BladePsychic Damage, Can be Upcast
Ballistic ArmorRemoves Piercing Damage Resistance
Shade Slayer CloakIncreased Critical Hit Modifier

The Hexblade Warlock's abilities are as follows:
  • Hex Weapon Binding: Scales weapon damage with Charisma
  • Hexblade's Curse: Increased critical hit modifier
  • Devil's Sight: Secure vision in magical darkness
04:31 - 05:20
3. 🛡️ Final Build Equipment Configuration: Maximizing Survivability and Attack Power
  • ✅ Increase critical hit chance with Sarevok's Helmet and Shade Slayer Cloak.
  • ✅ Secure a murder aura with Ballistic Armor.
  • ✅ Deal additional force damage on critical hits with Craterflesh Gloves.
  • ✅ Increase AC with Evasive Shoes.
  • ✅ Secure maximum health with the Amulet of Greater Health.
  • ✅ Add lightning damage to Booming Blade with the Ring of Elemental Infusion.
  • ✅ Deal psychic damage when using concentration spells with the Strange Conduit Ring.
  • ✅ Use Shadow Blade as your main weapon and the Knife of the Undermountain King as your secondary weapon.

EquipmentEffect
Sarevok's HelmetIncreased Critical Hit Chance
Craterflesh GlovesAdditional Force Damage on Critical Hits
Evasive ShoesIncreased AC
05:21 - 06:46
4. 👤 Character Creation Guide: Race, Class, and Ability Score Settings
  • ✅ Choose any race freely, but Drow or Half-Orc are recommended for optimization.
  • ✅ Half-Orcs deal additional damage on critical hits through the Savage Attacks trait.
  • ✅ Drow provide excellent darkvision and charm/sleep immunity.
  • ✅ Start with the Rogue class to quickly secure the Hide ability.
  • ✅ Prioritize Charisma, Dexterity, and Constitution for ability scores.
  • ✅ Charisma is the core stat for the build, and Dexterity affects initiative and AC.
  • ✅ Constitution determines maximum health.

Ability ScoreImportance
CharismaHighest Priority
DexterityPriority
ConstitutionImportant
06:47 - 09:46
5. 📈 Level-by-Level Growth Guide: Skill and Spell Selection Strategies
  1. Level 2: Unlock the Rogue's Cunning Action (Hide, Dash, Disengage).
  2. Level 3: Choose the Swashbuckler Rogue to enable sneak attacks even without stealth.
  3. Level 4: Build the Wizard class to unlock the Bladesinger subclass.
  4. Wizard Spells: Choose Longstrider, Enhanced Leap, Feather Fall, Shield, Tasha's Hideous Laughter, etc.
  5. Wizard Spells (Cantrips): Choose Booming Blade, Ray of Frost, Shocking Grasp, etc.
  6. Level 6: Choose a dagger as your Bladesinger weapon and secure Shadow Blade.
  7. Level 8: Secure Haste and Arcane Flight spells.
  8. Level 9: Secure Extra Attack and choose Counterspell and Arcane Lock.
  9. Level 10: Switch to Warlock to scale weapon damage with Charisma.
  10. Warlock Spells: Choose Shield and Armor of Agathys, and choose a Charisma-based Booming Blade.
  11. Level 11: Secure Devil's Sight to secure unlimited vision in the dark.
  12. Level 12: Finish the Rogue levels and increase Dexterity to 18 through ability score improvements.

LevelClassKey Skill/Spell
3Rogue (Swashbuckler)Sneak Attack
6Wizard (Bladesinger)Shadow Blade
10Warlock (Hexblade)Hexblade's Curse
09:47 - 14:01
6. ⚔️ Combat Simulation: How to Use the Build in Real Combat
  • ✅ Summon Shadow Blade and activate Hexblade's Curse before combat begins.
  • ✅ Use Elixir of Bloodlust to secure temporary hit points and gain additional actions upon defeating enemies.
  • ✅ Use Oil of Accuracy to gain attack roll bonuses.
  • ✅ Activate Bladesong and Haste to increase AC.
  • ✅ Attack enemies using Booming Blade and move into the cloud to gain advantage.
  • ✅ Use Darkness Arrows to reposition darkness and maintain stealth.
  • ✅ Use Cunning Action Hide to break line of sight with enemies.

Combat PreparationEffect
Summon Shadow BladeSecure Main Attack Weapon
Bladesong & HasteIncreased AC and Actions
Darkness ArrowSecure Stealth Position
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