find him at the Nilgaardian Garrison where you acquire the Griffin contract. He is in fact the Quartermaster at the camp and he’s stood under a tent covering. He can make weapons for you.
Viper School Witcher Gear is an addition that crops up in certain places in the game – the standard weapons at the very beginning of the base game, and the armour and venomous weapons at specific points in Hearts of Stone.
After paying the Runewright in Upper Mill an extortionate amount of money to set up his workshop, you can then enchant your armour with magic Words, and these can do wonderful things.
These are required levels for crafting Witcher gear items.
Here’s a little guide to Griffin School Witcher Gear. Where to get it, what you need to make it, and what the Grandmaster set does.
I find Isabelle Duchamp’s journal and it points me in the direction of the first Grandmaster Wolven Gear crafting diagram.
Crafting Grandmaster Armour of any kind takes a lot of expensive resources. In particular Enriched Dimeritium Ingots and Enriched Dimeritium Plate. If you buy them directly from Lazare Lafargue they will be more than double the cost of if you crafted them yourself, so craft your own beforehand.
Dropping by a Blacksmiths in Oxenfurt to sell some loot and repair my stuff. A quick tune-up – then back on the path.
The Griffin School Gear is probably the first Witcher armour you’ll find diagrams for, and possibly the first armour you’ll craft.
Each set of Grandmaster gear in the Witcher armour schools gives Geralt a bonus for using multiple pieces at once. These are important to know since they may sway your decision about which gear to craft.