Node Sensitive
General feat
Node Sensitive is a D&D 3.5 feat (General) from Und, p. 26. You can perceive an earth node just by passing near it.
Benefit
You automatically note the presence of any earth node within 30 feet.
Normal
A creature without this feat that comes within 30 feet of the outermost layer of an earth node can make a DC 20 Intelligence check to note the presence of an earth node. A creature with the Node Spellcasting feat can attempt either an Intelligence check or a Spellcraft check at the same DC to notice the node.
Description
You can perceive an earth node just by passing near it.