Weapon of Deadly Venom

Aura: moderate transmutation; CL 7th; Price: +2 bonus.

Once per day, when a slashing or piercing weapon of deadly venom is coated with (any) poison, it automatically increases the saving throw DC of the poison by +2 on the first opponent successfully struck by the weapon.

CONSTRUCTION REQUIREMENTS

Feats Craft Magic Arms and Armor; Spells greater magic weapon, poison