I'm starting a campaign and I think it'd be cool if I could be a human and have tremorsense. I know it'd be hard, but I'd be willing to take a lot of negative stats to counteract that. If it'd be hard to start with it, how could I get trained in it?
closed as not a real question by wax eagle, Brian Ballsun-Stanton♦, SevenSidedDie, Iszi, C. Ross♦ May 23 '12 at 13:49
It's difficult to tell what is being asked here. This question is ambiguous, vague, incomplete, overly broad, or rhetorical and cannot be reasonably answered in its current form. For help clarifying this question so that it can be reopened, see the FAQ.
Noting that Tremorsense is an Extrodinary ability, at least in the 3.5 SRD, and starting with the following two discussions, Tremorsense??? and Ways to Get Tremorsense?, we find the following possibilities:
Although not as powerful, you could instead: