No specific build is needed, just some stuff makes it easier such as Xeno + Tether. Not the cleanest run and can definitely do this lost sector a lot quicker. Doing this Legend Lost Sector is supposed to reward Exotic Boots but it is bugged and drops Exotic Head Armour.
Twitch: / scumbagpsychh
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The Empty Tank Legend Lost Sector - How to do The Empty Tank Legend Lost Sector - Easiest way to do Legend Lost Sectors.