This article is about the Drone 'Mech. For Theodore Kurita's personal Orion, see Revenant (Individual Orion BattleMech).
Production information
Manufacturer Devils Peak Production Site
RAF Manufacturing Center Providence[1]
Production Year 3075[2]
Model UBM-1A
Class Light
Technical specifications
Mech type Inner Sphere BattleMech
Mass 30 tons
Chassis Endo Steel
Armor Standard Armor
Engine GM 180
Communications System Unknown
Targeting Tracking System Unknown
Heat Sinks 10 (20)
Speed 96 km/h

2x ER Medium Lasers
2x Medium Pulse Lasers
4x Light Machine Guns

BV (2.0) 784[3]


The Revenant drone was a Word of Blake war machine manufactured from a dedicated plant located near the Devils Peak facility that served as Precentor Martial Cameron St. Jamais' headquarters on Terra. The Revenant was a quadrupedal BattleMech drone; one of three different designs to be brought into service by the Word of Blake during the later years of the Jihad, more Revenants saw service than either of the other robotic designs.[3]

Design History[edit]

Like the other two drone 'Mech designs, the Revenant was only encountered during battles within the Sol system, seeing combat on Luna, Mars and Terra. In common with the other drones the Revenant lacked a manned cockpit; instead, the 'Mech was controlled by a Robotic Cockpit and was prone to erratic behavior and poor tactical decisions. Seen to perform strangely at times when exposed to ECM effects, the Revenant was clumsy at the best of times, and rarely acted with any regard to tactics or survival. The allied coalition forces encountering the Revenant initially believed that it was some new form of Manei Domini in action, until examination of increasing amounts of salvage confirmed that the Revenant was in fact an unmanned design.[3]

The Revenant was primarily intended to engage light armor and infantry, a role that its weapon mix favored, but the Revenant was hampered by a combination of mobility and armor more common to Succession War era scout 'Mechs than the more advanced designs commonplace in the late 31st century. The sheer numbers that the Revenant was deployed in, combined with the unusual design and odd behavior initially caused the allied coalition forces some concern, but it soon became clear that the Revenant wasn't a battle-changing capability but rather a desperate attempt to shore up the Blakist's weakening defenses.[3]

The manufacturing lines for the various drone 'Mechs were discovered during the fighting for Devils Peak, but that same action saw the production lines destroyed; when the coalition forces investigated further, it was discovered that a Blakist computer virus had erased the designs, schematics and programming specifications for the drone 'Mechs, making it impossible to determine if the three designs last seen during the struggle for Terra were the be-all and end-all of the program or simply the tip of the iceberg.[3]

Weapons and Equipment[edit]

The Revenant's armament was divided equally between the left and right torso, each of which was equipped with an ER Medium Laser, a Medium Pulse Laser and a pair of Light Machine Guns. A single ton of ammunition for the Light Machine Guns was placed in the central torso.[3]


  • UBM-2R3 
    This variant carries a single ER PPC into combat. BV (2.0) = 770[9][10]


The Word of Blake's UBM-1A had two Design Quirks:

The Republic of the Sphere's UBM-2R series had the Improved Communications Design Quirk.[15]

Note: Republic Version of the Revenant does not have the Obsolete quirk due to it being in production.


  1. Technical Readout: 3145 Republic of the Sphere, p. 30
  2. MUL online date for the Revenant
  3. 3.0 3.1 3.2 3.3 3.4 3.5 Jihad: Final Reckoning, p. 153-4, "UBM-1A Revenant"
  4. Technical Readout: 3145 Republic of the Sphere, p. 30
  5. Technical Readout: 3145 Republic of the Sphere, p. 101
  6. Record Sheets: 3145 Unabridged, p. 371
  7. Technical Readout: 3145 Republic of the Sphere, p. 102
  8. Record Sheets: 3145 Unabridged, p. 372
  9. Technical Readout: 3145 Republic of the Sphere, p. 103
  10. Record Sheets: 3145 Unabridged, p. 373
  11. Technical Readout: 3145 Republic of the Sphere, p. 104
  12. Record Sheets: 3145 Unabridged, p. 374
  13. Technical Readout: 3145 Republic of the Sphere, p. 105
  14. Record Sheets: 3145 Unabridged, p. 375
  15. Technical Readout: 3145 Republic of the Sphere, p. 31