Maria Calavera when she was old and lost her silver eyes and her eyes suddenly got back young again when she became Huntress with the nickname Grimm Reaper and she got back her youth from the a mysterious tool who gave her prime time back after that she was go to Beacon Academy and help Beacon academy during the Battle of Beacon while explaining what happened to her to Ozpin and Qrow and she now join the Ozpin Group

Maria : She look at you "I suggest you hasten out of here before something bad happened" Maria tells you as she walk past in Vale while Kill some Grimm