Deadly Poison

(Serpent Kingdoms, page 145, DnD 3.5)

[General]

Your poison attack deals more damage than normal.

Prerequisite

CON 19, poison special attack that deals ability damage as secondary damage, Ability Focus (poison)

Benefit

Your poison attack has the potential to deal more secondary damage than it otherwise could. If the target of the attack fails the secondary saving throw, the poison deals double its normal secondary damage.