I think the FAQ clears up that, but TLDR: no!
Q. How will character recovery work?
A. Characters that are imported to a Jagex Account will no longer be recoverable using the RuneScape account recovery system. You’ll be able to choose which security features are enabled on your account. By default, log in verification and recovery is possible with access to your email. You can choose to switch to app-based MFA, which will require the code from the app or one of the backup codes provided when you set it up to remove.
Q. We’ve had several questions on the topic summarised in the following question - If someone adds a hijacked character to a Jagex Account, what happens?
A.
Player Support will have tools available to assist in cases where RuneScape accounts are hijacked and imported to the wrong Jagex Account. Once the correct owner of the character has been verified, they will be able to import it to their own ...
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