Instead of storing entropy, keep the mnemonic generated within the entropy. Steganography might be beneficial when storing the mnemonic. The random mnemonic generator on this website page makes use of a cryptographically safe random range generator. The built-in random generator can generally be trustworthy much more than your personal intuition https://sites2000.com/story8509301/helping-the-others-realize-the-advantages-of-bip39-seed-phrase-mnemonics-generator