How the Game Missed the Point
Wait, what? He gets so scared that he spontaneously loses all his flesh? And instead of having the good grace to die of old age, Donovan goes on living as a sentient skeleton. He deserves major credit for how quickly he adjusts to what one would assume to be an awkward and painful transition, as he immediately begins leaping about with the range of an Olympic gymnast and uses his own skull as a lethal bowling ball against Indy.
Thus outing himself as Janeane Garofolo's father once and for all.
When you defeat him, he continues to defy logic by bursting into flames, despite being made entirely of bones and the fact that you've only been whipping him, not dousing him with gasoline.
This is why you always employ a safety word during S&M sessions.