Great video! Regarding the EMS, although it is not specified in The manga or anime it is believed that only eyes from a sibling or a close relative can activate the awakening of the EMS as the only instances when we see the EMS it was taken from a sibling. also itachi king of hints that in his battle with Sasuke. Furthermore the EMS also enhances the user's bas MS abilities in addition to removing the cons that occur while using the MS.
