Unrelenting Caster

Prerequisite(s): The ability to cast at least one spell Whoever resists your spell is in for a demonstration of your tenacity.

• Increase the score of your spellcasting ability by 1, to a maximum of 20.
• Whenever you cast a spell of 1st level or higher and fail to affect any creature, you can immediately cast a cantrip you know. This benefit does not apply if a target makes a successful saving throw but still takes damage, a condition, or any other negative effect from your spell.