If you've been running Mythic Keystones at all in the last four years you've probably run into questions about what your io score is.
Mythic+ dungeons in World of Warcraft are a great way to challenge your group or get some of the best gear available.
In more than one Mythic+ group I've ran with in the past, there was a running joke that earning a Mythic+ Keystone for a particular dungeon meant we'd immediately delete that Keystone and hope for better luck next week.
Back at BlizzCon, the World of Warcraft developers teased Keystones as a new approach to Challenge Mode dungeons.
BlizzCon 2015 is over.