Quote Originally Posted by Icecylee View Post
It's been a *long* time since I've watched all my city quests, but if I'm remembering right Thancred was investigating both the Thaumturge's magics and the situation revolved around someones death (which eventually tied back into discovering Ifrit, I believe?)
Thancred was actually investigating the Thaumaturge's ability to bring a dead person back to life, actually.
There was one artifact in particular, a dagger (or more precisely, the gem in the dagger's hilt) that could give a Thaumaturge sufficient power to revert death.

Also he was looking over the death of an Ala'mighan that apparently had top-secret intel from Garlemald, but was killed by a goobue during a parade, something that we later discover has been purposefully orchestrated.

If memory serves me well... The crystal on the dagger was lost in the thaumaturge's guild. At some point during an Echo you see the dagger fall, the gem fall off and roll into one of the many cracks and vanish from the screen and then Thancred proclaims the gem lost.