Simple, 2-Step Process.
Store your matching and unique random stainless steel word-lists in multiple, secure locations.
Store the "cold code" you create on a password protected computer and online account. This code converts your random word-list to your wallet word-list. Create your cold code by subtracting your wallet word-list BIP39 numbers from your random word-list numbers.
Cold Code encrypts your wordlist in a simple way greatly increasing security.