Multitasker

After long hours of simultaneous study, you have learned to perform multiple actions at once. Your mind is capable of concentrating on two different things at once, and you gain the following benefit: 

• Whenever you perform an action, you can take another action as part of that action, for free. You must first make an Intelligence check (DC 15) to succeed. You can do this a number of times equal to half your Intelligence modifier (rounded up) every long or short rest.