Plasma drill

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Plasma drill
Harvester firing mining laser.png
Production overview


Lodam Armory


Vehicle-mounted excavation tool


Ammunition type:

Superheated plasma

Rate of fire:


Effective range:

Long range

Service history

In service:

Post-Covenant War conflicts


The plasma drill, also called a mining laser, is the sole armament of the Harvesters used by the post-war Covenant. It is primarily used as an excavation tool for the purposes of recovering Forerunner artifacts, although it is also utilized as a weapon.


The plasma drill fires a single greenish-yellow energy beam, similar to that of a focus cannon. At full power, the beam is capable of drilling through multiple layers of solid rock.

Operational history[edit]

During the Second Battle of Requiem in 2558, Fireteam Crimson used a captured Harvester's plasma drill to create an entrance in the side of the mountain where one of the Forerunner artifacts was hidden. [1]

During the Battle of Aktis IV, one of Jul 'Mdama's Harvesters used its plasma drill to destroy the caves where Sali 'Nyon and his followers were hiding. Another Harvester ambushed Sarah Palmer and nearly killed her with a blast from its plasma drill. Although Palmer survived, she was trapped in a crevice and unable to stop Catherine Halsey from escaping with the second half of the Janus Key. [2]

List of appearances[edit]


  1. ^ Spartan Ops, Episode 10, Chapter 5: "One Last Time"
  2. ^ Halo: Escalation, Issue 16