Guerrilla is Axton's first skill tree, of three. The Guerrilla tree focuses on getting Axton into the fight and improves the Sabre Turrets ability to perform continuous high damage attacks. His other skill trees are Gunpowder and Survival.
- Sentry - +1 shot per burst and +2s duration for Sabre Turret per level.
- Ready - +8% Reload Speed per level.
- Laser Sight - +10% Turret Accuracy per level.
- Willing - +15% Shield Recharge Rate and -12% Shield Recharge Delay per level.
- Onslaught - Kill Skill. killing an enemy gives you +6% Gun Damage and +12% Movement Speed per level for a short time.
- Able - Damaging an enemy regenerates 0.4% of your Maximum Health per second per level for 3 seconds.
- Scorched Earth - Adds Multi-Rocket Pods to your Sabre Turret. 22 Rockets per Volley.
- Grenadier - +1 Grenade Capacity per level.
- Crisis Management - +7% Gun Damage and +6% Melee Damage per level when shields are depleted.
- Double Up - Adds a second gun to the Sabre Turret and both guns fire Slag bullets.