Trademeet Tomb Key

Trademeet Tomb Key is needed to enter the Trademeet Crypt during The Dueling Families of Trademeet. It's given by one of the two family heads, depending whose side has been chosen in the conflict.

In-game description
"This key will open the sealed tomb in the Trademeet Cemetary. The tomb used to be the place of burial for Trademeet's elite but has been sealed off for many years because of 'trouble' from within."