From Fallen London Wiki
Traces of Viric can be acquired at 5 per action behind the mirror at varchas-though it does have an upfront echo cost that means it's only really useful if you want them in bulk.
Traces of Viric can be acquired at 5 per action behind the mirror at varchas-though it does have an upfront echo cost that means it's only really useful if you want them in bulk.