Theory on valg homeland:

MAASVERSE spoilers across all the books:

>! I think the Asteri/Daglan were the predecessors to the Valg. They drained their green planet to black, a few groups left while others (Erawan/Maeve's ancestors) stayed and thrived in the darkness. That's why they're all wayfarers, thats why the Asteri under the prison bled black. !<