In different ways. Mistress Su Jiuqing had the orange gumball that could stabilize color, so I imagine others, too. Ser Yamatonokami also mentioned his orange gumball was protective in nature. Some... Some come with a price.

[ But the vibe is that he won't be speaking details of what "price" could mean. For now, he listens. ]

Or any of this gumballs open a path of return, either.