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Attack an enemy and raises concentration, temporarily increasing Defense.
Class Barbarian
Skill Tree Combat Skills
Level 18
Prerequisites Bash [1], Stun [12]
Damage Type Physical
Mana Cost 2
Other Stats
Synergies Bash, Battle Orders, Berserk
Concentrate is a Barbarian Skill in Diablo II.


Sometimes a series of blows is not nearly as effective as a single, concentrated strike. A Barbarian trained in this skill learns how to focus his strength into a single blow that cuts through the guard of an enemy and slices through their armor. This technique also puts the warrior in a superior defensive position.

General InformationEdit

  • Active Effect: An uninterruptible attack that also temporarily improves your defense.
  • Required Level: 18
  • Prerequisites: Bash [1], Stun [12]
  • Gives synergy to:
Bash: +5% Attack Rating per level
Stun: +5% Attack Rating per level
  • Receives synergy from:
Bash: +5% Damage per level
Battle Orders: +10% Damage per level
Berserk: +1% Magic damage per level

The main benefit of this attack is that you can swing uninterrupted, even in a crowd or against a faster foe. This is an efficient skill at a cost of 2 Mana, especially if you have a strong weapon with high damage, or one with at least a small bonus to Mana leech.

As Concentrate has Battle Orders as a synergy, it is an attractive skill because a player will not have to spend extra points for the sole benefit of increasing life/mana.  Berserk's additional magic damage is also helpful against physical immune monsters after about ten points due to the amount of magic damage done without having to switch to a skill that will reduce the character's defense to zero.  The defense bonus is also helpful because it will still provide a significant defense bonus even if a shield is not equipped.

Skill ProgressionEdit

Mana Cost: 2

Level 1234567891011
Damage Bonus 70% 75% 80% 85% 90% 95% 100% 105% 110% 115% 120%
Attack Bonus 60% 70% 80% 90% 100% 110% 120% 130% 140% 150% 160%
Defense Bonus 100% 110% 120% 130% 140% 150% 160% 170% 180% 190% 200%

Level 12131415161718192025
Damage Bonus 125% 130% 135% 140% 145% 150% 155% 160% 165% 190%
Attack Bonus 170% 180% 190% 200% 210% 220% 230% 240% 250% 300%
Defense Bonus 210% 220% 230% 240% 250% 260% 270% 280% 290% 340%
Barbarian Skills
Warcries HowlFind PotionTaunt ShoutFind ItemBattle CryBattle OrdersGrim WardWar CryBattle Command
Combat Skills BashLeapDouble SwingStunDouble ThrowLeap AttackConcentrateFrenzyWhirlwindBerserk
Combat Masteries Sword MasteryAxe MasteryMace MasteryPolearm MasteryThrowing MasterySpear MasteryIncreased StaminaIron SkinIncreased SpeedNatural Resistance

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