Jackals' unlimited Plasma Pistols
From Halopedia, the Halo wiki
The Unlimited Plasma Pistols is a trick that can be performed in the Halo 2 campaign level, Sacred Icon.
Walkthrough
Play the Sacred Icon level until you find your Jackal and Grunt allies. Destroy the ports the Sentinels come out of so your allies are safe. Grab a Covenant Carbine, if you haven't already got one, and trade it to a Jackal (make sure your other weapon is not a Plasma Pistol or you won't be able to trade with him). Then charge up the Plasma Pistol he just gave you and launch it at his shield. If this is done the first time, the Jackal will freeze. This will bring the shield down temporarily and he will drop the Covenant Carbine and pull out another Plasma Pistol. You can do this over and over and the Jackal will pull out a new Plasma Pistol every time. This trick is nicknamed "The Unlimited Plasma Pistol Dispenser".
