Objective: Secure & private password management, prevent anyone from stealing your passwords.
Option 1: Store Keepass PW file in personal cloud service like OneDrive/GoogleDrive/etc , download file, use KeepassXC to Open
Option 2: Use ProtonPass or similar solution like Bitwarden
Option 3: Host a solution like Vaultwarden
Which would do you choose? Are there more options ? Assume strong masterpassword and strong technical skills
Memorizing passwords just leads to passwords that are easy to attack with dictionary attacks and to password reuse.
I memorize the random generated ones, you type it in enough it becomes muscle memory.
My password database contains a few hundred entries. Good luck memorizing that.
Thats why my second suggestion was a secondary device with no internet access. And a hardware key gor additional security is a good idea.