Rather than storing entropy, store the mnemonic generated with the entropy. Steganography may be advantageous when storing the mnemonic. The random mnemonic generator on this website page takes advantage of a cryptographically secure random variety generator. The in-built random generator can normally be reliable much more than your own intuition https://tripsbookmarks.com/story18951736/how-much-you-need-to-expect-you-ll-pay-for-a-good-valid-bip39-seed-phrase