Cheese interception and defense missions by locking down the map with multiple vortices and supply yourself and teammates with energy orbs.

[Repelling Bastille] allows you to [Extend] the duration of each vortex, basically infinitely as long as you have energy, which is also essentially infinite in supply due to spectrorage subsumed with the augment spectrosiphon.

Survivability is via brief respite and rolling guard mixed with the crowd control from spectrosiphon and bastille/vortex.

1 or 3 are both subsume slots.