Some monster types have special mechanics or are in other ways interesting when it comes to Greater Rift gameplay, especially in pushing for your personal best or for the leaderboards.
To learn more about pushing, check out the in-depth post about Greater Rift Pushing. It's also helpful to take a look at the Greater Rift Mechanics where you can see all monster sets listed with their names and properties.
Written by wudijo with special help from Chewingnom.
Updated for Season 26 / Patch 2.7.3