Nightmare Box
rating: 0+x

Item #: SCP-XXXX

Object Class: Safe

Special Containment Procedures: SCP-XXXX is currently to be contained in a double locked safe at storage facility-██. SCP-XXXX is not to be removed from its containment area unless authorized by level 3 clearance personnel for testing. in the event of a unauthorized opening of SCP-XXXX, security personnel should immediately be sent with one D-class to distract SCP-XXXX while security personnel contain SCP-XXXX.

Description: SCP-XXXX is a wooden box with a metal flip latch. upon opening SCP-XXXX, the subject who opens the box

Regarding SCP-XXXX's communication skills, it has shown to speak two languages with relative ease; English and an unknown language foreign to all staff and records. SCP-XXXX refuses to translate or elaborate on the foreign language that it speaks. When speaking with SCP-XXXX, it will often attempt to challenge them to a duel. If the person is to accept this challenge, SCP-XXXX will draw its sword and attack and kill the challenger. Upon defeating its challenger, SCP-XXXX will proceed to [REDACTED]

Addendum #1: It was discovered on ██/██/20██ in ████, France, by the foundation after receiving reports of abnormal serial killings in the area.