Gin-Wulm is an Argonian and also is the Master Armorer trainer. Training can be enabled by reading The Armorer's Challenge and answering his questions correctly. He can be found in the center of the Market District around 5 PM.
The Hero will be directed to Gin-Wulm for master training when they have a skill level higher than 70.
- If you read The Armorer's Challenge before you get the suggestion from Gin-Wulm, you will not be able to answer his question to receive training from him. Read the book again or find a different one if you sold it.