
All you need to do is pick up a strong Energy Weapon, carry a bunch of ammo and just use that instead of whatever primary weapon you’ve been using up until that point.

Should you not wish to follow any of the advice listed below, or indeed even tag Energy Weapons as a skill, it’s still pretty easy to get these challenges completed.

While it’s fairly straightforward to see what you have to do to get these challenges completed there are some ways to make this easier. Task: Disintegrate 32 enemies with Energy weapons. NOTE: This grants one rank of the Perk that does indeed stack with the one granted by Set Lasers for Fun for a total of +4% chance to critical with Energy weapons. Perk: Set Lasers for Fun – Grants a +2% chance to critical with Energy weapons.

Task: Inflict 25,000 damage with rifle type Energy weapons.
