The Witcher 3 - High LvL Mage signs only gameplay - totally OP

The Witcher 3 mage gameplay lvl 30/31 only using signs. Such a Witcher 3 build is totally OP, even on Death March it's no challenge. Put as much into sign intensity as possible, max out Igni and Yrden. Use your Petri's Philter and Tawny Owl potion. Also not equipping your swords will increase your sign intensity, but this will probably be fixed with patch . This is probably the best build, better than a alchemy or combat build. In most cases you can one shot big monsters like a Griffin, Cyclope, Chort (