That Old Fury

 is a Sunless Sea Random Event.

Trigger conditions
 is triggered at zee if you have the following:  Crew ≥ 3 The Gods of the Zee: Storm's Attention ≥ 1 Terror ≥ 50 

Event description
A zailor has run mad! She roams the ship, cudgel in hand, smashing comrades to the deck. She cries: “He is angry! Oh, he is angry!”