Martial Expert

In the Arms Warrior talent tree, Martial Expert sits in the Colossus hero talent tree, row 2 of 6. It is a single-point node.

Connected above

The tree draws a line into Martial Expert from Demolish.

• 
  Demolish

  Unleash a series of precise and powerful strikes against your target, dealing damage to it, and (1232.4% of Attack Power) damage to enemies of it. Deals reduced damage beyond 8 targets. While channeling Demolish, you take 10% less damage and are immune to stuns, knockbacks, and forced movement effects. You can block, parry, dodge, and use certain defensive abilities while channeling Demolish.

Connected below

Martial Expert leads on to One Against Many or Arterial Bleed.

• 
  One Against Many

  Shockwave, Cleave, and Whirlwind deal 5% more damage per target affected up to 5.

• 
  Arterial Bleed

  Colossal Might increases the damage of your Rend and Deep Wounds by 3% per stack.

Same row

Also on this row: Colossal Might and Boneshaker or Earthquaker.

• 
  Colossal Might

  Mortal Strike grants a stack of Colossal Might and Cleave grants a stack of Colossal Might when it strikes 3 or more targets.

• 
  Boneshaker

  Shockwave's stun duration is increased by 1 sec and reduces the movement speed of affected enemies by 40% for 3 sec after the stun ends.

• 
  Earthquaker

  Shockwave also knocks enemies into the air and its cooldown is reduced by 5 sec.