Renacimiento de huevo (Lit. Rebirth Egg) is one of Mizumi Kira's special abilities. She can create an egg that a person will be reborn in after they die. When they are reborn, the egg will rebuild itself, giving the person immortality. She has one and has created one especially for Sadow. Though it is said she could only currently make one at the time. It is unknown if she can make several after long periods of time or not.