Frigid Fortitude

Auril the Frostmaiden has granted you her Frigid Fortitude. You have the ability to tire less and are more resilient at holding your concentration. You gain the benefits listed below.

• Increase your Wisdom or Constitution score by 1, to a maximum of 20.
• You gain advantage on saving throws to avoid exhaustion. 
• You have advantage on Constitution saving throws that you make to maintain your concentration on a spell when you take damage.