An ancient order of druids, that venerated the supposed gravestone of the Spirit of Khalbow.
The Spirit was supposed to be a symbol of eternal renewal and redemption,
that lived a regular, short-term dead/revival cycle.
The Order of the Gravestone was very popular during the first Millenia EK, but then went extinct.
No druid is known to exist today, and the exact location of the gravestone has long been forgotten.