Talk:Lost Sinner/@comment-2A00:23C1:B901:2E00:A9ED:ECAC:6F71:C54E-20180902195209

It's been confirmed that this is actually the Witch of Izalith, so her sin may have been her attempting to reignite the First Flame without making a proper sacrifice and causing a lot of pain and suffering for the things living in Lost Izalith. Quite cool to find this out.