An image of the Fleet Battles ORS model, highlighting the location of the plasma lance emitter as detailed in Halo Warfleet p.64-65
The plasma lance (highlighted) location on an ORS-class heavy cruiser.
A plasma lance aboard the Day of Jubilation firing upon a UNSC ship.

A plasma lance is a kind of energy projector employed by Covenant starships as an ultra-heavy anti-ship weapon. Plasma lances fire tightly-focused streams of plasma at their enemies, dealing a great deal of kinetic and thermal damage. At close range, plasma lances are capable of cutting un-shielded warships in half.[1]

Known types

Light plasma lances

Heavy plasma lances

Superheavy plasma lances

Sources

  1. ^ Halo: Warfleet - Examiners, page 64-65