The Thief-Oath of Tristram Bagley
From Fallen London Wiki
You restored some of his lost mind, and the Topsy King will forever be in your debt. He will always owe you a favour, and you will always have a friend in a high place.
See here for a list of how to obtain this item, or click to show them.
Effects when equipped in Affiliation slot:
Shadowy +1
Dreaded +1
Bizarre +1
Mithridacy +1 (Shared Best-in-Slot item)
Visiting Tristram Bagley +1
This item has no other documented uses.