Impaler is one of the two available skill trees for the Spear Mastery in New World. Impaler Abilities mainly focus on damage and inflicting Bleed and Rend. Spears mainly benefit from Dexterity, but Strength also contributes although on a secondary level.
All Impaler Tree Abilities in New World
Impaler Tree Active Abilities

Perforate
Three quick piercing strikes that each deal 80% weapon damage and apply Rend, reducing the target's damage absorption by 5% for 10s. Cooldown: 12 seconds.
Upgrades:

Rupturing Strikes
Rend increased to 10% per strike against targets above 50% health.
Impactful Strikes
Target is staggered if you successfully land all three hits.

Skewer
Rush forward and skewer your target, dealing 125% weapon damage. Applies Bleed, dealing 20% weapon damage every second for 10 seconds. Cooldown: 15 seconds.
Upgrades:

Deadly Ambush
20% damage against targets with full health.
Follow Through
Gain Empower on Critical Hits, increasing damage by 20% for 10 seconds.
Deep Wound
Bleed duration increased to 15 seconds.

Vault Kick
Use your spear to vault forward and kick your target, dealing 75% weapon damage. Applies Stun for 1.5 seconds.
Taunt Gem Compatible: If you have a Carnelian gem equipped in your spear, This ability causes a 2-second taunt when it hits. (Taunt causes monsters to only focus on you.) Cooldown: 15 seconds.
Upgrades:

Relentless Blows
Gain Empower after successful hits on targets below 50% health, increasing damage by 20% for 6 seconds.
Continuous Motion
Cooldowns for other spear abilities are reduced by 30% on successful hit.
Spear Passive Abilities

Precise Jabs
+5% Critical Chance on Light Attacks.

Cripping Jabs
The last hit of the Light Attack chain applies 30% Slow for 3 seconds to targets below 30% health.

Unerring Precision
+20% damage against targets with active Grit.

Exacerbating Crits
Critical Hits extend the duration of your Spear debuffs and damage overtime effects by 20%

Refreshing Jabs
All spear cooldowns are reduced by 10% on the second hit of the light attack chain.

Finishing Blows
+15% damage against targets with less than 30% health.

Aggressive Maneuvers
The first successful hit with an ability within 2 seconds of dodging reduces all Spear cooldowns by 20%.

Exposed Wounds
+15% Critical Chance against targets with Bleed

Exploited Weakness
+10% damage per debuff on target (30% Max)