Instead of storing entropy, store the mnemonic produced within the entropy. Steganography could be effective when storing the mnemonic. The random mnemonic generator on this website page uses a cryptographically protected random range generator. The built in random generator can typically be trusted over your personal instinct about randomness. If https://socialwebconsult.com/story4437991/how-much-you-need-to-expect-you-ll-pay-for-a-good-valid-bip39-seed-phrase