Grenadegun Flash Ammo
From WikiRaider
Grenadegun Flash Ammo is one of the three types of ammunition that can be used with the Grenade Gun in The Last Revelation. The other types of ammunition are Grenadegun Normal Ammo and Grenadegun Super Ammo.
The use of Flash Ammo would blind a human opponent for a certain time you can use to kill him with another weapon or to flee.