Chilling Counter is a passive feature that chills a creature that misses you with an attack.
Description
When a creature misses you with an attack, it must succeed a DC 13 Constitution saving throw or be for 2 turns.
Condition: Chilled
How to learn
Granted by the weapons:
Notes
Although the description says there is a saving throw, there isn't one coded in. Chilled will be applied to every single missed attack.