I added a link to the world map (at least as much as I have drawn so far) to the Big 16.
Sure.
Ether we bump that to the regular death saving throw numbers or if somehow you manage to roll 9 three times in a row you actually die.
Rather then being unconscious while making these saves against transformation you are awake and thrashing around as you spend your action making the saves. This way you can do the classic tearing your clothes off while running away and making a mess scene.