Staff Swords

These magical staff look Durable feel smooth and magically match the style of the wizard who holds one.
  Its most notable feature is their abillty to change shape in the mid of battle, many becoming swords but a few of different variety. (with A bonus Action the Staff sword can change shape when a command word is given)
  Staff Swords Grant proficiency with the weapon they become while held.
  Staff Swords are the invention of the artisan Ian Hard Arm at the local Arms and Equipment at Red Castle
  These magical staffs have become very popular among the Wizards of Red Castle for their use in magical duels or traveling for their multipurpose use.