Its funny that the lesser fist erupting happened during his encounter and trial. Now after seeing the healing powers of the the Temple of the Volcano in Dirge I think Tiv should be sent to be healed there and see if it helps his recovery.

"An' I'm learnin' 'ere in London what the ten-year soldier tells; If you've 'eard the East a-callin', you won't never 'eed naught else. No! you won't 'eed nothin' else"