Boon Of Spell Recall

You gain the following benefits.

Prerequisites

Minimum level 19; Requires the Spellcasting feature

Ability Score Increase.

Increase one ability score of your choice by 1, to a maximum of 30.

Free Casting.

Whenever you cast a spell with a level 1–4 spell slot, roll 1d4. If the number you roll is the same as the slot's level, the slot isn't expended.