Deck of Many Things: "He knows when you are..."

A sliver of Father Winter’s omniscience is contained at a location revealed when drawing this card. Undertaking a quest to find this sliver rewards you with the following properties:

• You gain proficiency in the Perception skill, and you double your proficiency bonus on checks made with that skill.
• You have darkvision out to a range of 120 feet.
• You can see invisible creatures and objects, as well as see into the Ethereal Plane, out to a range of 120 feet.