From A Wiki of Ice and Fire
The Good Masters are the rulers of Astapor.
A Storm of Swords
Daenerys Targaryen contacts them under Ser Jorah Mormont's counsel in order to obtain an army of Unsullied.
Known Good Masters
- The Wise Masters of Yunkai
- The Great Masters of Meereen
- ↑ A Storm of Swords, Chapter 23, Daenerys II.