Power Throw

Heroic Tier
Prerequisite: Str 15
Benefit: When you make a ranged attack with a heavy thrown weapon, you can take a -2 penalty to the attack roll. If the attack hits, you gain a +2 bonus to the damage roll. The bonus increases to +4 at 11th level and +6 at 21st level.

Published in Player's Handbook 3, page(s) 182.