Warframe HOW TO FARM TOWER 4 KEYS
Augustus, Mars: Tower 4 Capture, Exterminate, Mobile Defense, and Sabotage
Ose, Europa: Tower 4 Interception, Defense, and Survival
In this video, I explain what I believe is the best way to farm for tower IV void keys. If you haven't noticed already, I play on the PlayStation 4, but I think these missions will be the same as PC. I hope this video helped you out!