In lieu of storing entropy, store the mnemonic created from the entropy. Steganography may be valuable when storing the mnemonic. The random mnemonic generator on this website page uses a cryptographically protected random selection generator. The in-built random generator can generally be reliable greater than your personal intuition about randomness. https://bookmarksknot.com/story20519571/the-greatest-guide-to-seed-phrase-bip39