A maze of memory, shattered memories

The events of the novel take place in an imaginary world ruled by social classes. There are nobles, commoners, and slaves, as well as different races. Our heroes were abandoned after they lost everything they owned, but their tragedy will not end so simply.
Forgotten, lost, alone, abandoned. Broken souls, but for how long?
After falling into despair and after losing everything, you will realize that life is meaningless.
A battle where the victor loses. What is the fate of all this?