Bludgeon Mastery

Epic Tier
Prerequisite: 21st level, Str 19, Con 19
Benefit: When you make a melee weapon attack with a hammer, a mace, or a staff, you can score a critical hit on a natural roll of 19 or 20.

Addition (7/28/2008)
Add "a " before words "mace" and "staff" in Benefits line.

Published in Player's Handbook, page(s) 206.