01
Activate the siphon
Interact with Brainwave Siphon Kappa at the active invasion site.
Repel the alien invasion by destroying the Brainwave Siphons and their commanders.
Interact with Brainwave Siphon Kappa at the active invasion site.
Kill the alien waves and the commander protecting the siphon.
Repeat the process as the invasion moves through the second and third siphon stages.
Kill the last alien commander and destroy the final Brainwave Siphon.
Pool rates are shown separately from individual item rates. Where Bethesda can alter a pool server-side, the catalogue marks the rate as a base rate rather than pretending it is permanently fixed.
Activate the first siphon, clear the alien waves, destroy each Brainwave Siphon in sequence and defeat the alien leaders.