*research* Sword of Myrkul's Slave
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Magus Zarn searches the library for information about a magical weapon called "Sword of Myrkul's Slave" which is rumored to take it's power from the soul of it's wielder.
He also searches information about weapons with intellect or some kind of "ego" that allows them to have a mind or will of their own, especially when it comes to deciding if the sword will obey / accept the wielder.