Quoth the Kickstarter page: “[The Blemmigan rewards] will be available to all players of Fallen London, Sunless Sea and Sunless Skies, at the earliest after Sunless Skies enters Early Access.”
What about it. AFAIK the game isn’t in early acces syet.
From the kickstarter FAQ:
The original poster asked when they might be available. However, he seems to have deleted his post. Don’t ask me.
Ah, sorry bout that!