
Corrosive Projection
Enemies lose -18% Armor

Sirius & Orion
Event Horizon Strip Group
Event Horizon Sirius & Orion - Orion black holes group rooms while Gravitic Slash full-strips Steel Path for weapons or a short Celestial Clash.
Alternative builds
Build dossier · Abyss Pull
Aura + Exilus on top, then eight general slots in two rows of four.

Corrosive Projection
Enemies lose -18% Armor

Cunning Drift
+12% Slide · -30% Friction · +15% Ability Range
Recommended pair first, then flexible swaps.
Orion lead — Event Horizon groups rooms, Gravitic Slash full-strips (~200% Strength or ~164% with Corrosive Projection), then weapons or a short Clash finish. Grid shows Orion Range/Strength; keep a Sirius config for Sanctuary DR and Clash opener Strength.
Sirius & Orion share one Warframe slot with two full kits and two separate mod configs. Swapping brothers grants 45% Ability Efficiency for the next two casts. Casting abilities fills Constellation Stars (no more than two of the same color in a row). Celestial Clash spends Stars for Blast nukes and inherits the stats of whichever brother starts the cast — open on your Strength lead. Duplicate auras on both configs do not stack.
Range for hole coverage; Strength for full strip; Efficiency for spam.
Usually keep native strip/group. Roar lives on Sirius 1 if you also Clash.
Event Horizon groups rooms while Gravitic Slash full-strips SP for weapons or Clash.
Hole the point approach, strip, shoot.
Pull-strip-clear loop.
Loud black holes.
Horizon camps.
Strip helps gun teams.