Bip39 Passphrase. You'd probably then do a fundamental recovery that has a command much like the 1 beneath. (This command works by using a sample wallet file bunlded with BTCRecover) What constitutes a "excellent wallet" is one which has clear, simple to obtain documentation on supported BIP standards, derivation paths, https://sitesrow.com/story8442248/bip-39-https-linktr-ee-bip39-a-review-of-bip39-words