Polymorph Master (5e Feat)
From D&D Wiki
Prerequisites: The ability to cast the polymorph spell
You have mastered the ability to change your shape. You gain the following benefits:
- When you cast the polymorph spell, you may have the spell not require concentration. Once you use this feature, you can not use it again until you finish a long rest.
- When you cast the polymorph spell on yourself using a spell-slot of 5th level or higher, you may choose to become a beast that's challenge rating is one higher than your level.
- When you are transformed by the polymorph spell, you can retain your Intelligence and Wisdom scores, as well as all of your proficiencies.