Okay, so this is pretty neat:
https://yesterdayunhinged.wordpress.com/2014/02/08/eustace-the-monk-a-black-magic-double-crossing-pirate-soldier-in-the-service-of-the-kings/
The summary on this account is neat too:
http://www.todayifoundout.com/index.php/2016/06/pirate-mercenary-steward-story-eustace-monk/