Quote Originally Posted by Regitnui View Post
That misunderstands what I said. You need minimum attributes to mutliclass into a class. There is no limitation on multiclassing out. You don't have to have Dex 13 to leave the rogue class, but you do if you're in another class and want to become a rogue.
PHB 163: "To qualify for a new class, you must meet the ability score
prerequisites for both your current class and your new
one, as shown in the Multiclassing Prerequisites table."

What he was saying was that you were mistaken. You need it both to enter and leave a class.