Complex sentence: Elena Rodriguez, nicknamed "Yo-Yo" due to her power, is a "street-wise Colombian woman" with the ability to move at super speed for the duration of one heartbeat before returning to the point from which she started.
Split into simpler sentences: Elena Rodriguez, nicknamed "Yo-Yo" due to her power, is a "street-wise Colombian woman". She has the ability to move at super speed for the duration of one heartbeat, always returning to the point from which she started.