Diana's Blessing

Diana, Goddess of the hunt, has empowered your mind allowing you to maintain focus on concurrent incantations.

If you attempt to cast a spell that requires concentration while already concentrating on an existing spell, you can maintain concentration on both spells simultaneously. You must spend your bonus action each round to maintain this concentration, or lose concentration for both spells. 

If you chose to not take your attack action, you gain advantage on your Constitution saving throw.

During your turn, when you have two spells you are concentrating on, you must make a Constitution saving throw (DC 15[roll]1d20[/roll]) as a bonus action. On a failure, you lose concentration for both spells. You can drop concentration on one of your spells during your turn as a free action to avoid this saving throw. 

Any time you would be forced to make a Constitution saving throw to maintain concentration due to taking damage, the DC equals 10 + both spells' levels combined, or half the damage you take, whichever number is higher. On a failure, you lose concentration on both spells. 

Also this feat grants ability to wildshape into one of the following creatures:

1. Tiger

2. Giant Eagle

3. Bugbear