Bandai Namco registered the brand Soldier’s Soul in Europe on February 13. In this moment, the trademark has still not been registered in USA. There is not information related with this new brand yet.
The nature of this IP is unknown right row. It could be something interwoven with SOULCALIBUR, a new IP or a new iteration for an unpublished Souls game developed by From Software.
After the release of Dark Souls II, the second unit of From Software could be developing a new chapter in the Souls saga, also they are programming Scholar of the First Sin on PS4, PC and Xbox One.
We will see.