instead of doing 20 minutes DSURVIVAL run do a 40 minutes. It gives you a higher chance of getting octavia neuroptics. For example, in the first 10 minutes you will only get Lith relics but minutes 21-30 ypu will get around 400 endo. Its like a stage. The first 20 is the first stage. The next 20 is the second stage and so on.