Blackrazor

Stats
+1 Greatsword

Omen
When held, Blackrazor shines like a piece of the night sky filled with stars. Its wielder hears faint whispers whenever it delivers the killing stroke to a living creature.

History
No living being can positively identify the material from which Blackrazor was crafted because the sword comes from another reality, now long dead, whose physical laws varied from those defining the multiverse known to today’s sages and planewalkers. In the dying days of that reality, the wizard Keraptis brought the weapon out of its native multiverse into his own.

In truth, Blackrazor’s current form is not its true shape. Originally, the greatsword was a living creature—a native of the strange multiverse Keraptis visited. Through a strange ritual practiced by the denizens of that dimension, Keraptis bent first the entity’s will, and then its form, until he had the weapon he desired