Choose a skill, such as Move Silently. You have a legendary knack with that skill.
Prerequisite: 20 ranks in the skill selected.
Benefit: The character gains a +10 bonus on all skill checks with that skill.
Special: A character can gain this feat multiple times. Its effects do not stack. Each time a character takes the feat, it applies to a different skill.
Source: Standard Reference Document under Open Game License v1.0a, which updated this feat originally published in the Epic Level Handbook, page 54.