Luma grenades were light-producing devices that were generally thrown like typical grenades. They could be used to blind targets when detonated in close proximity. Particularly effective at night, the impact of the weapon, which produced a luma blast, could be doubled if an enemy was wearing night-vision goggles, blinding the enemy for at least an hour. The effect of a Luma grenade could also be achieved by a Lumablast Rocket.