Origin: Umineko no Naku Koro ni
Threat level: Omega+
Classification: Great Witch
Physical strength: Metaverse+
Destructive capacity: Metaverse+ (Featherine is above the realm of witches, the abyss of infinite hierarchical layers. She is only limited by The Creator itself, can one shot Lambdadelta with a pen.)
Durability: Metaverse+
Speed: Immeasurable (such concepts don't apply to her)
Intelligence: At least nigh omniscient
Stamina: Limitless.
Standard Equipment: Memory Device