Thus a result of 6 feet away from the target would actually be only 3 feet. The damage taken from a grenade depends on what type of missile was used and whether a direct hit was scored or the target was in the splash area. The area of effect is the amount of space covered by a direct hit. Any creature in the area of effect will take damage accordingly. All creatures within' the 3' of the area of effect are subject to splash damage.
Acid damage is particularly grim.
Aside from the possibility of scarring, acid damage cannot be healed by regeneration. It must be healed normally. Thus, it is very useful against regenerating creatures such as trolls. The acid damage listed is for typical acid. Characters may find more potent acid.