Two Handed Perk Tree - The Elder Scrolls V: Skyrim wiki

Level 1:

Barbarian:

• Level 1 - Two-Handed weapons do a 20% more damage.
• Level 2 - Two-Handed weapons do a X% more damage.
• Level 3 - Two-Handed weapons do a X% more damage.
• Level 4 - Two-Handed weapons do a X% more damage.
• Level 5 - Two-Handed weapons do a X% more damage.

Level 2:

Limbsplitter:

Attacks with battle axes cause extra bleeding damage.

Requirements:

• Barbarian
• Two-Handed Level 30

Champion's Stance:

Power attacks with two-handed weapons cost 25% less stamina.

Requirements:

• Barbarian
• Two-Handed Level 20

Deep Wounds:

• Level 1 - Attacks with greatswords have a 10% chance of doing critical damage.
• Level 2 - Attacks with greatswords have a X% chance of doing critical damage.
• Level 3 - Attacks with greatswords have a X% chance of doing critical damage.

Requirements:

• Barbarian
• Two-Handed Level 30

Skullcrusher:

• Level 1 - Attacks with warhammers ignore 25% of armor.
• Level 2 - Attacks with warhammers ignore X% of armor.
• Level 3 - Attacks with warhammers ignore X% of armor.

Level 3:

Great Critical Charge:

Can do a two-handed power attack while sprinting that does double critical damage.

Requirements:

• Champion's Stance
• Two-Handed Level 50

Devastating Blow:

Standing power attacks do 25% bonus damage with a chance to decapitate your enemies.

Requirements:

• Champion's Stance
• Two-Handed Level 50

Level 4:

Sweep:

Sideways power attacks with two-handed weapons hit all targets in front of you.

Requirements:

• Devastating Blow
• Two-Handed Level 70

Level 5:

Warmaster:

Backwards power attack has a 25% chance to paralyze the target.

Requirements:

• Sweep
• Two-Handed Level 100