Item #: SCP-XXXX
Object Class: Euclid
Special Containment Procedures: SCP-XXXX is to be kept in a 5 m by 5 m containment cell. It is to be stored in it's sheath, blade down. It is to be inspected on a weekly basis, any rust or mold that forms is to be removed immediately.
SCP-XXXX-53 is to be housed in the adjacent cell, under heavy sedation.
In the event that A) SCP-XXXX-53 is awakened, and B) SCP-XXXX exhibit anomalous behavior, SCP-XXXX-53 is to be terminated immediately.
Under no circumstance is a class-D personnel allowed to touch the handle of SCP-XXXX.
Description: SCP-XXXX an steel katana, with a blade length of 73 cm, a jade green square guard, and a black lacquered leather grip. The line, 常に鋭い聖剣の滞在, is inscribed on the handle with gold inlay. It is normally kept sheathed in a matching black lacquered sheath with a green cord.
SCP-XXXX displays one of its anomalous behaviors when a person touches the handle of the sword. Upon touching the handle, the sword begins amplifying the dominant emotional trait of the person. After ten (10) seconds of contact with the handle, the person establishes a mental link with an unnamed entity residing in SCP-XXXX, as well as any others currently linked with SCP-XXXX. From the point of linking with SCP-XXXX, the person is designated as SCP-XXXX-XX, the current "owner" of the sword. There have been fifty-two (52) former owners of SCP-XXXX while it has been in the Foundation's possession.
Each wielder of SCP-XXXX apparently has an influence over the entity, and vise verse. After being in possession of SCP-XXXX for approximately twenty-four (24) hours, the wielder begins displaying profound skill with a sword; enhanced stamina, strength, and agility; and a basic understanding of the Japanese language. After forty-eight (48) hours, the wielder becomes anxious and irritable. Between forty-eight (48) and seventy-two (72) hours, the wielder exhibits sudden muscle contractions, hair loss, degradation of nails, insomnia, and pallor.
When in contact with blood of any kind, SCP-XXXX begins to [DATA EXPUNGED].