Area of effect: 25 meter radius Damage inflicted: 12 dice (d6) per target in blast area, 1/2 damage if a target can make a DEX check to successfully dive for cover.

The type of energy released by this grenade is of unknown type, so the GM should feel free to add on any weird, random or punitive effects as needed (especially if the PC's are getting too uppity, or your plot requires some redirection). In fact the GM should give bonus XP to any player who suggests that some of their own equipment may have been damaged by the energy.