Examine its contents 17
From Fallen London Wiki
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From: Milking your Hellworm
Action Cost: 0
Carefully determine what, exactly, is inside.
Unlocked with 
Flask Contents exactly 17
Success
Master's Blood
Crimson and trying to escape. How?
Your hellworm is done, for now. (Resets 
Flask Contents to 0)
You've gained 1 x Vial of Masters' Blood
