Capstone

A capstone was the inner crystal of a Sith holocron. Capstones served two purposes within the holocron: first as a power source, and secondly though equally important, to capture the creator's gatekeeper essence within the device. It was part of the Rite of Commencement.
==Appearances==
*Darth Bane: Rule of Two 
==Sources==
*The Complete Star Wars Encyclopedia
*Book of Sith: Secrets from the Dark Side
Category:Sith holocrons