There were at least two dozen of the Drones, all armed with plasma pistols and needle rifles.

-Halo: Fractures, pg. 205 (Halo: Shadow of Intent)

	With a twitch of his fingers, Preparation signaled the Yanme’e to open fire. The chamber filled with plasma bolts and needlelike explosive shards, all directed at the Prelate. But even though Tem’Bhetek was in motion before these lethal rounds were in the air, he was not the first thing to reach the Minister’s throne.

...

	Then the Prelate ran into a wall of Yanme’e fire impossible to dodge. His own shields fell. He felt one plasma bolt boil into his thigh and a needle hit below his ribs and then explode out his back. As he tumbled toward the ring, Tem saw the Minister accelerate backward in his throne and into the bunker lift, frantically clasping his wound as pale-red blood pumped through his fingers.

-Halo: Fractures, pg. 208 (Halo: Shadow of Intent)