Once, before this spell ends, you may cast a spell of 1st level or lower that has a casting time of 1 action using a Bonus Action instead. Once you cast a spell this way, Anticipation ends.

At Higher Levels. The highest level of spell you can quicken in this way increases by 1 at 5th level (2nd level spell), 11th level (3rd level spell), and 17th level (4th level spell)