This article is about a subject that is from official sources but is not considered canon.
The Blade of Life Everlasting, is an enchanted ritual dagger served as a tool for worship Anubis.
The dagger itself was made from bronze and had symbols on it.
When unused, it was stored in black velvet inside a ritual box adorned with Egyptian hieroglyph for safe keeping.
When used to ritualistically draw blood, the blade can sip the blood, leaving no blood on its blade.