Kanais Cube choices are highly build- and content-specific, making them hard to summarize.

It offers a multiplicative damage increase to your minions, as well as majorly boosting their Toughness (important in Greater Rifts).

Try to do this with a class that can skip through mobs as quickly as possible, such as a Barbarian with Furious Charge or a Demon Hunter with the Danetta's set and Vault. Enforcer is a signature Witch Doctor gem, as the class fulfills the summoner role in Diablo 3. Once here, click on the cube and you can return to town with the quest completed. You will know you have found the cube when you locate a hole in the wall leading to a room that looks like the image below: The cube is most likely to be located there. Once in the Elder Sanctum zone, you need to make your way through the map towards the north-eastern most corner. Run through the zone (you do not have to kill any monsters if you do not want to) until you find a portal leading to Elder Sanctum. Once you have the quest, teleport to Ruins of Sescheron in Act 3. He will be marked by a yellow exclamation point. Speak to Zoltun Kulle in any act's base camp, starting the quest to find the cube. In order to find it, you should follow these steps: Kanai's Cube was added to the game in the 2.3 patch and can be found in the Adventure mode on any difficulty.

Kanais cube diablo 3