Greater Dragonmark of Detection

This feat cannot be obtained through an Ability Score Improvement class feature and can only be obtained after completing a special trial from House Medani.

You gain the following benefits:

• When you make an Intelligence (Investigation) or Wisdom (Insight) check, you can roll a d4 and add the number rolled to the ability check.
• Increase your Intelligence or Wisdom score by 1, to a maximum of 20.
• When you cast a divination spell with a duration of 10 minutes or greater, you can have the maximum duration of the spell become 24 hours instead. Once per long rest, if you cast such a spell that requires concentration, you can choose to have the spell not require concentration instead and also grant you truesight out to a range of 60 feet for its duration.