Bip39 Passphrase. You would probably then do a standard Restoration that has a command such as one under. (This command takes advantage of a sample wallet file bunlded with BTCRecover) What constitutes a "great wallet" is one that has very clear, straightforward to access documentation on supported BIP standards, derivation https://geilebookmarks.com/story18605550/bip39-https-linktr-ee-bip39-a-review-of-bip39-generator