This is a video guide on how you can skip two Sword quests where you will not have to kill the 50 majors and 25 guardians or summon Ecthar. The only prerequisite is you must have completed an exotic sword on one of your characters. Hope this helps!
Edit: also make sure to check out: https://www.bungie.net/en/Forum/Post/158796104/0/0/1
easiest by far way to down Golgoroth with only using one gazer. This is the best strat for LFG/Randoms, Not recommending it for preparation of hard mode though! Know how to use all mechanics, this just makes it easier!
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Now when I do the strike can I just do it once for 2 swords?