When your projectile hits your enemy, long quills tear from it and fly outward.

Encounter   ✦     Primal, Weapon
Standard Action      Ranged weapon

Primary Target: One creature

Primary Attack: Wisdom vs. AC

Hit: 1[W] + 2d8 + Wisdom modifier damage. Make a secondary attack that is an area burst 3 centered on the primary target.

  Secondary Target: Each creature in the burst other than the primary target

  Secondary Attack: Wisdom vs. Reflex

  Hit: 1d8 damage, and the secondary target takes a –2 penalty to attack rolls (save ends).

Published in Player's Handbook 3, page(s) 127.