The red-hot barrel of the rotary cannon continued its unrelenting barrage of the enemy troops as unit 042 backed through the door just behind the others, then ceased its fire just as the tips of the barrels had begun to shift from red to white. The weapon was replaced on the geth's back to be allowed to cool, and the unit drew a secondary weapon from its clamp as it turned to greet the oncoming swarms. Though perhaps 'secondary weapon' is not the correct term when the weapon in question is a plasma shotgun with as much firepower as some heavy weapons.<br/><br/>::Analysis pending... Complete. Projected ammunition expenditure unacceptable. Conventional weaponry not recommended. Activating defensive measures.::<br/><br/>The outer shell of the geth began to cycle through several more shades of various neon colors as power was transferred from weaponry and into the defensive measures it had been equipped with; until finally settling into a light green glow that hovered several centimeters above the chassis. The entire process had taken less than a second as the unit turned to face the Commander and Esone.<br/><br/>::Secondary defenses active. Estimated damage reduction... Eighty-seven percent. Risk of damage from seeker swarms within acceptable parameters.::<br/><br/>The humans, however, did not have the geth's vast technological resources and would likely require something more to grant them unharmed passage through the room. At least the one who could not turn his skin to metal would.<br/><br/>"We recommend the erection of a biotic barrier, Del Pilar-Commander."