Once you activate the adventure mode, head to the city and look for the spirit of Zoltun Kulle, you remember that right? He was the boss in Act 2 who tricked you into returning him to his lethal form just so you could instantly take him off. Yes, that guy.Īnyway, talk to him and complete a simple mission to get Kanai’s Cube. From then on, Kanai’s cube will be in all cities near Zoltun Kulle and you can use it to turn items into new items and use very important recipes in the Diablo 3 endgame. Kanai’s Cube can be obtained at any time in Adventure mode, which you can unlock by completing the final act of the campaign on any difficulty. In fact, the game’s adventure mode and the final cycle wouldn’t be as fun without it. In this guide we will break down how to get Kanai’s cube in Diablo 3: Reaper of Souls and what it actually does for you in the game. Kanai’s cube is an important artifact in Diablo 3.