RavinRay said:Come to think of it, those rocks may not have to be a breath weapon per se. Not all oral ejecta is a breath weapon; think of poison or acid spit or the aforementioned explosive gem of the amethyst dragon.
Obviously it has a burrow speed, but it can also burrow through solid rock like the li lung's tunneling ability.
I do agree with that sentiment - I think the 'official' creatures have tunnels that collapse to prevent pc's from using the tunnels as a shortcut etc.RavinRay said:Since it's solid rock, I don't think the tunnel would collapse. One of the Dragonlance novels has the dwarves using enormous domesticated worms burrowing through solid rock, and these tunnels definitely last.

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