We got the idea for this strategy from another video and added our own tweaks. We had a titan (with Weapons of Light) and two hunters (both with Blade Dancer). Everyone in this run is level 34. The titan must also have a Helm of Saint-14 to blind enemies.
The trick is for everyone to have a 365 damage arc sniper with mid to high impact. It also really helps for at least two people to have a fully ascended Thunderlord.
Strategy in a nutshell: Everyone runs to the left and one person destroys the servitor shielding Skolas. I use my Gjallarhorn, but it can also be done with grenades and Fatebringers. The titan pops his bubble in front of the left door to blind shanks that come out later. Everyone then starts crit sniping Skolas to stagger him. Make sure everyone has a left, middle, and right side of the bubble assigned so you don't get in each other's way.
If everything goes according to plan, he should be close to dead before the first mine appears. Have one Hunter assigned to go invisible and defuse it.
The timing for this and bubble placement is clearly shown in the video, but please ask any questions in the comments section below; good luck! =D
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Shameless bump on this excellent strategy/walkthrough. Please don't hesitate to ask me questions about how to down this bullet sponge! =D