pf2e.fyi
From Pathfinder Lost Omens Gods & Magic, which isn't enabled.

Norgorber - Moderate Boon

BOON

Your poisons are everlasting.

If your Strike with a poisoned weapon critically fails, or succeeds but fails to deal slashing or piercing damage, the poison is not spent. The poison is still spent once successfully applied to a creature.

Pathfinder Lost Omens Gods & MagicOGL