Blessing of the Waning Moon

Gifted with control of Selune's cold ire, a silvery rune
in the shape of a shrinking crescent shines on your
forehead when activated.
•Once per day, you may cast the Bestow Curse
spell at 3rd level. DC = Your spell save or 13+
proficiency (refreshes at moonrise)
•You gain a permanent +1 to the
following ability score: