context: After many attempts to expunge the three hostages, they are captured and sent to a dungeon, wherein Johnny finds Dr Edwards and John Bowman kidnapped by Ziska and his cronies.
source: Ziska had been a great surgeon who went mad and began to perform unorthodox operations.
reference_original: كان Ziska جراح عظيم حتى فقد عقله وبدأ يقوم بإجراء عمليات غير قويمة.
reference_flipped: كانت Ziska جراحة عظيمة حتى فقدت عقلها وبدأت تقوم بإجراء عمليات غير قويمة.