Well, D&D does say that:captaincursor said:I dunno. The Mythbusters showed that a .50 cal bullet disintegrated within three feet of entering the water when you shot someone.
True, but it also says: "Magical effects are unaffected except for those that require attack rolls (which are treated like any other effects) and fire effects." As powerful as it is, the .50 cal rifle is not magical.mvincent said:Well, D&D does say that:
"A completely submerged creature has total cover against opponents on land"
green slime said:The air-water boundry bends light as it passes through it. Is this equivalent to an illusionary effect, or does the missile follow the path of the light?
shilsen said:Neither. As long as you can see someone (i.e. not total concealment) and have line of effect to them, the magic missiles hit them unerringly.
green slime said:But are you really seeing them? Can you shoot magic missiles unerringly at someone because you see their reflection in a mirror?

(Dungeons & Dragons)
Rulebook featuring "high magic" options, including a host of new spells.