You mean to ask whether the mark would allow you control over powers you never had control over? That I don't know. All I've heard is that it seems to grant control over a single element to all who receive it. For me, that was 'light'.

[ He gestures and a small breeze seems to start up. One blowing the smell of salt air from the ocean, alleviating the stench of rotting meat. ]

Questioning the workers did not yield much more but I never asked about control over an existing talent. Did you not ask yourself when you arrived?