Dancing Blades

you have become adept at wielding a short and long blade together, defending yourself while attacking. you gain the following benefits:

• while you are wielding a Tantō and a Katana, increase you AC by 1.
• when you deal damage to a creature with a Katana and a Tantō on the same turn, you can choose another creature within 5 feet of you. you can make a melee attack against that creature with your Tantō.
• if you hit a creature with a Katana, and have a Tantō in your other hand, you can use your bonus action to increase your AC by half your proficiency bonus (round down).