Origins: Death Note
Classification: Shinigami
Threat level: Tiger
Powers and abilities: Superhuman strength and speed, death manipulation via the Death Note, able to see a person's name and life span by looking at their face, immortality, flight, intangibility, invisibility (Except by people that have touched the Death Note), memory manipulation.
Physical strength: Superhuman
Attack potency/Destructive capacity: Street level+ (Death Note ignores durability but has only been shown to work on humans)
Durability: Likely non applicable, immortality and intangibility make her very hard to kill.
Speed: Superhuman
Intelligence: Very high.
Stamina: Nigh-limitless.
Range: Melee range, universe+ with the Death Note.
Weaknesses: Must obey the laws set by the Shinigami King, breaking many of the laws can lead to death such as willingly killing a human in order to extend the life expectancy of another human or killing a human through any means other than a Death Note. Needs to kill humans with his Death Note to extend his own life expectancy.
Standard equipment: Death Note and pen.