If you don't help the Heavenly Court Team win, it's equivalent to not following Manxi's orders.
Not following orders isn't too big of a problem, as long as you handle it well. As long as Mulan Jin keeps her word, you should be protected afterward.
But relying on Mulan Jin still subconsciously reminded him of the time he was taken to the guillotine in the East Victory Royal City. The red-clothed woman in the library also promised, with firm words, that she would use connections to protect him, which almost made him break his old back serving, and scared his soul nearly out of his body.
Entrusting his life entirely to the promise of an uncontrollable person, when he still had the Netherworld as a backup plan, he wasn't too daring to gamble.
