An Ironclad Will

 is considered a story Curiosity item. It is also a Legacy advantage.

Item description
"A notarised copy rests securely in the vaults of Baseborn & Fowlingpiece. Another, in the vaults of the Bazaar itself."

''Game note: This will ensure your next character inherits your Lodgings, along with any Heirlooms you have stored there. ''

Obtaining
 can be obtained if you do the Write a Will action in Your Study at Your Lodgings in London.

Usage
This item will ensure that, should you die, the next sailor will get the same Quality of Lodgings and any Heirloom you have created.