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History of Bunker E15 Solo Mastery

Revision 7058 by archivist at 2026-10-01 23:33:59

Bunker E15 Solo Mastery is a triumph (5 points): complete the Bunker E15 Lost Sector on Master difficulty without a fireteam. Dying is allowed; the Flawless version is Bunker E15 Flawless Solo Mastery.

Bunker E15 is a Lost Sector in the Eventide Ruins on Europa. Sources agree it is one of the easier Europa sectors, partly because freed Braytech Security Frames fight alongside you.

Walkthrough

  1. Launch from the Eventide Ruins landing zone and enter Bunker E15. Pick the difficulty from the activity card (Expert and Master are separate variants; Master is the one with Champions).
  2. Entrance: stay elevated, kill the first Overload Captain and the basic Vex, then shoot the Vex cube on the cage to free the Security Frames, which draw enemy fire.
  3. Cells: free more Exo prisoners for extra allies. Handle the two Barrier Hobgoblins and kill the Cyclops quickly (a rocket works).
  4. Boss arena: kill the Overload Minotaurs/Captains and the Hydra boss, using the icy corridor for cover. A high-burst Super (for example Celestial Nighthawk) can skip the last Champion spawns.

Tips

  • Master modifiers per the guides: Locked Equipment (set your loadout first), Match Game (shields resist off-element damage), Void burn and shields, Shocker, Attrition; Barrier and Overload Champions. Kyber's Corner lists Expert at 3 Overload and 1 Barrier, Master at 5 Overload and 2 Barrier.
  • Bring anti-Barrier (e.g. Arbalest, Forerunner, or a Void scout rifle) and anti-Overload (Solar auto/pulse, Le Monarque) options.
  • Suggested subclasses: Hunter Nightstalker, Titan Sunbreaker (Restoration offsets Attrition), Warlock Voidwalker.
  • Power levels and modifiers in these guides date from 2021-2023 (Beyond Light to Season of the Seraph); check the current in-game values.

Related

Same family as Lost Sector Mastery and Solo Lost Sector Mastery (Europa Lost Sector triumphs). I could not confirm which seal, if any, these Bunker E15 triumphs belong to, and no reward is listed in the game data other than triumph score.