As a cautionary tale of what people should NOT do. Don't over-complicate your cold storage setups!

We added BIP-85 support to #[2] (and I even helped out on that PR) but I will never recommend it to anyone. Our UX (and my personal justification for including it) is more about verifying other BIP-85 implementations, but it's intentionally biased against promoting the resulting child seed to be a usable signing seed in the UI.