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This is a variation of the tank swap strat which I nicknamed the Freddie Strat after the guy who invented it (Freddie of Tenacity on Port Nowhere server http://www.tenacity-swtor.com/). Instead of having tank swaps, a healer and melee dps stand on the side of the boss and tank turn the turret to them during Double Destruction. Immediately after, the tank turn the turret away as to prevent the frontal cleave from Stormcaller on the 2 people that got Double Destruction.