IN DECO they are probably the really obvious: Give everyone their wishes without the fucking murder competitions, bring the murderous portraits to JUSTICE, and... maybe give a way for the people to stay in touch across worlds because she will miss people. ;w;

In her canon the wishes would probably be to make the oceans safe, and to have one more conversation with her grandfather, but the third one she would honestly not know what to do with.

SAME QUESTION FOR MAYA