During the Zero Hour event, Power Girl experiences a mystical pregnancy  and gives birth to a son supposedly named Equinox ,  who ages rapidly. Even though Power Girl is from an alternative universe, her biology is still similar to Superman's. In Birds of Prey 35, Power Girl admitted that she is primarily to blame for the tension, but is unable to overcome the memories of the deaths. As the biological cousin of Superman, Power Girl exhibits all of the classic Kryptonian powers: super strength; flight; super speed; invulnerability; x-ray, telescopic, microscopic and heat vision; freeze breath; and super-hearing. She has also worn a headband, as had Supergirl prior to her death in Crisis on Infinite Earths.
Estella. Age: 25.
Using her ice breath to destroy her gravity enhanced shackles and gag, Power Girl easily defeats the villain and saves New York.
Ireland. Age: 32.
On Earth, as with other Kryptonians, Power Girl discovered she possessed abilities like super strength, flight, and heat vision, using which she became a protector of innocents and a hero for humanity. For some time, Power Girl believed she was an Atlantean. I thought a giant 'P' looked silly. Eventually, he reveals the truth: Power Girl is a survivor of Krypton from the dimension which contained the pre- Crisis Earth-Two.