Implacable

You refuse to retreat from even the most deadly of confrontations.
Prerequisite: Base attack bonus +1.
Effect: If you move out of melee combat for any reason, you suffer a -2 penalty on all attack rolls, skill checks, and saving throws for 1 hour.
Suggested Class/Race: Dwarf
Source: Dragon Magazine #328 (Nobody’s Perfect – New Flaws for Nonhumans)