Partially Invigorated Pelagic Egg
From Fallen London Wiki
The size of a diving helmet. Blue-black shapes wriggle beneath a translucent membrane. You have begun work on enlivening it.
This item is only available during certain times of the year. For details, see Whitsun (Guide).
See here for a list of how to obtain this item, or click to show them.
See here for a list of pages which require this item, or click to show them.