Ultimate Adventurer's Handbook
Encyclopedia
8-level Divination
Casting Time: 1 action
Range/Area: Self
Components: V
Duration: 1 hour
Until the spell ends, when you make an Intelligence check, you can replace the number you roll with a 15. Additionally, you can use an action to observe your surroundings, becoming magically aware of the presence and location of each secret door and trap within 30 feet of you that is within your line of sight.