Board Thread:Skyrim/@comment-119.18.7.16-20161005225427

My Theory behind chillrend has to do with the dragonborn DLC and the thalmor on solstheim.

Basically I think the thalmor managed to get a small amount of stahlrim which they forged Chillrend out of. As to how mercer got it, idk but I think it is made of stahlrim (Perhaps mixed with malachite which explains the upgrade material not being stahlrim). 