In this The Witcher 3 guide, we walk you through how to complete the Of Dairy and Darkness quest. ... Activate it (this is why you needed the lizard) to open a portal to the mage's lair.

The series didn't go fully open world until 2015's The Witcher 3: Wild Hunt. According to Jakub Rokosz, who heads up the remake's developer, Fool's Theory, parts of The Witcher that are outdated ...