We've seen a few powers that make a creature insubstantial now, but we haven't been able to find out what it means. What does it mean and where can we get a clear definition?
[RPG] What does insubstantial mean
dnd-4e
Related Solutions
A: At-Will
E: Encounter
D: Daily
U: Utility
It refers to the basic structure of the powers that balances the classes and keeps the approximate effectiveness of powers between classes equal. (i.e. a 5th level daily in any class is approximately on par with a 5th level daily in any other class.)
This thread implies that Deep Speech uses the same alphabet as Elven; namely, Rellanic:
Found a font someone created for Rellanic on EN World (registration required); it works rather nicely. And since character who know Elven aren't supposed to be able to read it, I'm also rot13ing it.
Best Answer
Rules for Insubstantial can be found on page 277 of the 4th Edition Player's Handbook.
The short version is that insubstantial creatures take half damage.