Laser Blaster
From Halopedia, the Halo wiki
Laser Blaster is an Achievement in Halo 3: ODST. It is awarded for getting 10 kills with a Spartan Laser during the ONI Alpha Site Campaign mission. It is worth 5 Gamerpoints and is quite easy to do because you start off with a Spartan Laser and later in the level there is another one.[1]
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