Frail
(Unearthed Arcana, page 91, DnD 3.5)
[Flaw]
You are thin and weak of frame.
Benefit
Subtract 1 from the number of hit points you gain at each level. This fl aw can reduce the number of hit points you gain to 0 (but not below).
Special
You must have a Constitution of 4 or higher to take this flaw.