Depends on for what. online services/anything you can autofill with pw manager: random generated password as long as possible + MFA like hardware token (UF2)

Depends on for what. online services/anything you can autofill with pw manager: random generated password as long as possible + MFA like hardware token (UF2) FDE device/pw manager/anything you can't autofill: Passphrase containing at least 8 random words (Diceware) + if possible MFA like keyfile or hardware token