Benefit: You gain the earth glide universal monster ability and can use it to travel at your full base speed through sand, dirt, clay, gravel, or similar materials. If protected against fire damage, you can even burrow through lava. You can burrow through solid stone at 1/2 your base speed.
Pathfinder Roleplaying Game Advanced Race Guide © 2012, Paizo Publishing, LLC; Authors: Dennis Baker, Jesse Benner, Benjamin Bruck, Jason Bulmahn, Adam Daigle, Jim Groves, Tim Hitchcock, Hal MacLean, Jason Nelson, Stephen Radney-MacFarland, Owen K.C. Stephens, Todd Stewart, and Russ Taylor.