D&D: MHW : Explore your master's tower
From Create Your Own Story
You haven't had permission to explore the tower you've lived in for the last fifteen years of your life. As a twenty two year old wizard's apprentice, you aren't sure why you still hold that title. At times you wonder if your beautiful master simply cannot bear the thought of allowing you to go off on your own. She always has some kind of excuse as to why you cannot be allowed to leave her service.
You're not too offended, though. Your master keeps you well looked after and you are always learning and becoming stronger. You know you already boast more magical ability and mental fortitude than most of the full fledged wizards you've met. You've even had to destroy a few of them in defense of your master.
Your master keeps you nearby mostly because...
Your ability to destroy things