-Reach level 10 with the skills - Stun Grenade, Massacre, and the one for the double-hit blaster. Thoss the grenade. With lucky, it will stun your opponent. Use the blaster (high Dexterity recommended). Just hit them with your blade(s), or your gun. Finally, use Massacre (upgrades recommended), to kill them.
-At level 25, retrain and maximize Blood Lust and Poison. After that, train Smoke Screen. First, do Poison, then smoke them and finally Cheap Shot. If they are still alive, do whatever desired.
-You will need the following - Ground Slam, Bazooka, and the "rain" attack. First, hit them with Ground Slam. Note: None of these will stun. Once done, hit them with the Bazooka and then the "rain" attack. A couple other hits and they should be done.
-When at level 30 get maximum in Smoke so that get you are maximized in Massacre. Once done, get so many in Poison.
-When you reach level 11 and higher, use the following order in a 2 vs. 2 battle - Stun Grenade, Poison Ore Wild Strike, Mine, Gun.
-Upgrade Cheap Shot until level 4, then one mark for Energy Shield. After that, upgrade your Multi-Shot until level 12. Upgrade Blood Lust until level 15 and you will get a first class upgrade.
-This is most effective at level 20 or higher. Retrain and upgrade your EMP grenade, then get Bloodlust and Stun Grenade. After that, maximize Poison then get Shadow Arts. Upgrade it to the highest level possible and bring your Health to 71, Energy 71 and spend the rest on Dex and Str.