Crew Savvy

Prerequisite: Svirfneblin, training in Athletics

Benefit: You gain a +3 feat bonus to Athletics checks to climb. In addition, whenever you make a Dungeoneering check or an Athletics check to climb, one ally adjacent to you gains a +2 feat bonus the next time he or she makes the same sort of check before the end of your next turn.

Deep Durability

Prerequisite: Svirfneblin, warden, stone camouflage racial power

Benefit: When you use stone camouflage, you gain 3 additional temporary hit points for each enemy marked by you. The additional temporary hit points per enemy increase to 5 at 11th level and 7 at 21st level.

Deepstone Blessing

Prerequisite: Svirfneblin, cleric, healing word power

Benefit: When you use healing word, the target also gains temporary hit points equal to your Constitution modifier.

Fade to Gray

Prerequisite: Svirfneblin, stone camouflage racial power

Benefit: When an attack hits you while you have partial concealment from stone camouflage, you can become invisible until the end of your next turn or until you attack.