The Omega Plasma Array of the Sicaran Omega Tank Destroyer

The Omega Plasma Array is a large Imperial Plasma Weapon that was once found on the Sicaran Omega Tank Destroyer used by the Space Marine Legions during the Great Crusade and the Horus Heresy in the late 30th and early 31st Millennia. The Omega Plasma Array is a simplified, and sometimes considered crude, over-sized copy of the ancient Mechanicum's Plasma-fusil Weaponry, a stopgap and imperfect copy that was nonetheless capable of being produced by the lesser forges attached to many Legion strongholds, allowing them to replace losses of more complex vehicles.

These weapons relied on the brutal application of overwhelming force to reduce enemy armour to wrecks instead of the precise annihilation of more advanced weapons systems. The Omega Plasma Array is capable of focusing and projecting a highly pressurised stream of volatile and highly-charged plasma, vaporising outer armour layers and literally burning through an enemy tank's defences. The weapon is capable of firing either as a volley of plasma bolts, or as a sustained burn which can quickly melt through multiple layers of armour plating, at the expense of potentially overheating the weapon. The highly charged plasma utilised by the Sicaran Omega is contained at pressures that are difficult to regulate for even the most skilled Techmarines, and even a slight miscalculation can lead to disaster. When such an engine suffers a catastrophic breach, the destruction wrought is far more terrible than for other vehicles of its class.



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