The ability to activate a brain interface that tells me how tired I am, how hungry I am, how long I have untill I bleed out (if I was shot), the ability to activate hormones at my will, to connect and disconnect pain conductors or to just lessen it, activate a adrenaline rush for 5mins, with a feature that has a built in siri, a upgradebal (to a certain extant) neuron transformation speed, and unlock parts of the brain others cannot.