Survival in New Vance

Reaction, which you take when you see a hostile creature within 60 feet take an action. You instantly analyze the creature's posture, equipment, and environment, predicting a vulnerability. The target must make a Dexterity saving throw or suffer disadvantage on attack rolls, ability checks, or saving throws it makes for the next minute as you exploit a momentary weakness you identified. Range: 60 feet. Duration: 1 minute.