Bip39 Passphrase. Whilst there are actually BIP39 wordlists in languages aside from English, it is strongly not advisable to use non-English words for wallet backups. It would make restoring the wallet complicated or unattainable. No, there is absolutely no complex limit to the length within your passphrase. Having said that, https://socials360.com/story9936938/bip39-list-https-linktr-ee-bip39-the-fact-about-bip-39-that-no-one-is-suggesting