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The Plasma Rifle, or PR, is a weapon featured in Doom (2016).
Based on an early 21st century high-intensity plasma gun design, it has been enhanced with Argent energy technology developed at the UAC Mars Base. After these enhancements, it has become a standard-issue equipment for many militaries and has obsoleted the heavy assault rifle. Its plasmoid projectiles cause damage through both kinetic and thermal energy. It has a high rate of fire, emitting small bright blue discrete spheres of plasma. Unlike previous versions of the weapon, the plasma spheres have a small blast damage effect. This can be substantially increased through use of the weapon's modified firing mode - a single larger plasma orb will be emitted which detonates in air, covering the nearby area in burning napalm-like plasma for a short period.