Though the judgement was handed down in your favor and not the other way around, I hope this link is helpful in explaining various ways judgments are enforced: (removed)
Generally speaking, I believe a writ of execution is useless until the debtor actually takes control of the decedent's inheritance. This link goes into more detail on civil judgments like yours and how they are executed in North Carolina: (removed)
I am not a lawyer. What I do know is that North Carolina has certain amounts of money and types of property that are safe against judgement collection. More information on those can be found here: (removed)
I am unsure about how all this applies to collecting debts out of a debtor's inheritance. You should certainly bring all of your questions to a lawyer in North Carolina who knows about the state's debt collection laws. Best of luck.