Romantic Dungeon Crawl - Experimental Solo  Game Masters Game
Information  Game Description  You possess a peculiar soul, rare
and prized by the unearthly entities that like to toy with such
goods. "Alpha soul", or "Puppetmaster's soul" are the most
common nicknames used to define someone who has the ability to
materialize the Einherjar, spirits that grow on items with long
and/or particular histories.  However, calling and materializing
such a soul is no easy task, and even an individual as peculiar
as you does not have the power to give form to such beings. This
is what the Ersatz are for, also called "Artificial spirits",
they are condensed divine power that can host an Einherjar and
create an appropriate form for it, which is then tied to the
Alpha soul that summoned it.  ... Or so it is said, but it's
actually such a rare and undocumented occurrence that it's best
left to bards' tales and folklore, for very few savants can
actually claim to be experts on the subject and most of them are
hardly human.  Po