Your vast knowledge in different fields has also taught you many secrets of good health.

Prerequisite(s): Secret health (Loremaster secret) or Toughness, 1st-level Loremaster, Int 13

Benefit: You gain 2 additional hit points for every Knowledge skill you have in which you possess 7 or more ranks. If you possess 14 or more ranks in a given Knowledge skill, you gain 2 more additional hit points. You gain 2 additional hit points whenever you later attain 7 or 14 ranks in a knowledge skill.

Special: If you later drop below 7 or 14 ranks in a Knowledge skill, you lose the hit points granted by this feat for your ranks in that skill.