Harrowing Swarm Student [Lesser Style]

Heroic Tier
Prerequisite: Ranger, rogue, or warlord; proficiency with any bow or crossbow
Benefit: You gain a +2 feat bonus to Nature checks.
When you are attacking with a bow or a crossbow and you have proficiency with that weapon, you also gain the following benefit.
When you attack with a power associated with this feat, the power gains the rattling keyword.

Published in Martial Power 2, page(s) 115.