Blessing of the Full Moon

Gifted with Selune's pull on the ever-changing tides,
a silvery rune in the shape of a glowing circle alights
your forehead when activated.
• Once per day, you may cast the Tidal Wave
spell at 3rd level. DC = Your spell save or 13 + proficiency (refreshes at moonrise)
• You gain a permanent +1 to the
following ability score: