• Every dungeon has a fairly forgiving timer you must beat to keep your keystone active.
  • You still get loot if you don't beat the timer, but your keystone becomes depleted.
  • As the keystone level increases, mobs in the dungeon do more damage and have more health.
  • The health and damage modifier is an almost linear increase, starting at 9% for Level 2 and increasing to 100% at Level 10.

  • The max item level for rewards will be capped at 850 for the first week.
  • Rewards come from a chest at the end of the run, ranging from item level 845 at Mythic 2 to 865 at Mythic 10.
  • This chest contains two pieces of loot for the group, which is a change from beta.
  • You also get a weekly chest with loot based on your best run for the week, scaling from item level 860 to item level 880 at Mythic 10.
  • Rewards have a chance to be Warforged or Titanforged, allowing them to potentially scale all the way up to item level 895.
  • The only lockout on Mythic is the availability of keystones, you can keep doing them as long as someone has an active keystone.

  • Check out Blizzard's official preview for Mythic Keystones.
  • Keystones have modifiers that make the dungeon more challenging, with more being added as the keystone level increases.
  • New keystone modifiers appear at Levels 4, 7, and 10.
  • There is a list of keystone modifier pairs from beta, but it may be outdated.
  • You can obtain a keystone by completing a Mythic dungeon or completing a Mythic+ dungeon run.
  • You also can obtain a keystone from your weekly chest, with a level slightly below your best run last week.
  • Each keystone only works for one Mythic+ dungeon and this is selected randomly upon creation or upgrade of the keystone.
  • Keystones will only select a dungeon that is unlocked for everyone in the group when it is modified.
  • Keystones are upgraded when you complete a Mythic+ dungeon, with the amount of the upgrade determined by how much you beat the timer by.
  • If you don't beat the timer, your keystone will be depleted.
  • Depleted keystones can still be used to start additional runs, but those runs won't give a loot chest at the end.
  • If you do beat the timer on a depleted keystone run, your keystone will be upgraded and empowered again, so you can attempt the next difficulty level for loot.

Name Points Category
Broken Isles Keymaster Complete the following Legion dungeons using a Mythic Keystone:
10Legion Dungeon
Keystone Initiate Complete a Level 2 or higher Mythic dungeon within the time limit.
10Legion Dungeon
Keystone Challenger Complete a Level 5 or higher Mythic dungeon within the time limit.
10Legion Dungeon
Keystone Conqueror Complete a Level 10 or higher Mythic dungeon within the time limit.
10Legion Dungeon
Keystone Master Complete a Level 15 or higher Mythic dungeon within the time limit.
10Legion Dungeon
Realm First! Keystone Master Participated in the realm-first completion of a Level 15 or higher Mythic dungeon within the time limit.
Feats of Strength

Originally Posted by MMO-Champion
  • Overflowing - Healing in excess of a target's maximum health is instead converted to a heal absorption effect.
  • Skittish - Enemies pay far less attention to threat generated by tanks.
  • Volcanic - While in combat, enemies periodically cause gouts of flame to erupt beneath the feet of distant players.
  • Necrotic - All enemies' melee attacks apply a stacking blight that inflicts damage over time and reduces healing received.
  • Teeming - Additional non-boss enemies are present throughout the dungeon.
  • Raging - Non-boss enemies enrage at 30% health remaining, dealing 100% increased damage until defeated.
  • Bolstering - When any non-boss enemy dies, its death cry empowers nearby allies, increasing their maximum health and damage by 20%.
  • Sanguine - When slain, non-boss enemies leave behind a lingering pool of ichor that heals their allies and damages players.
  • Tyrannical - Boss enemies have 40% more health and inflict up to 20% increased damage.
  • Fortified - Non-boss enemies have 20% more health and inflict up to 40% increased damage.

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