Demon's Souls Wiki

The Unknown Soldier's Soul is a consumable item in Demon's Souls

In-Game Description

The remnants of an unknown soldier's spirit that remained in its corpse. Use it and the Souls will be added to your stock.
Even if you leave this be, it will only become nourishment for demons. In which case...

General Information[]

Unknown Soldier's Souls give 200 Souls upon using them.