Alaria, wizard of Ankara

Alaria, is a wizard of Ankara and lives in the wizards tower and settlement of Mundiach Mand Achard.
He controls a force of troops under a general, has a flesh golem body guard (with many battle scares) and a high priest
He hired a party of 5 adventurers to recover a staff on a castle on Island of Tol Randai, Ankara 
They successfully succeed in this mission and bring back a Staff of Set, which acts as a key to a room in the castle on the island of Tol Randai 
What would he do with such a staff and a ring of Set.