For every dungeon you encounter during your journey to the level cap, there is a second, more difficult, version for players at level 50. These dungeons are called “Expert” Dungeons. Ten in all, they are divided into two tiers; the first tier is aimed at players who have just recently hit level 50 and the second tier is geared towards those who have spent time in Tier 1 Expert Dungeons.
For the purpose of this guide, King’s Breach is considered a Tier 1 Expert Dungeon. General requirements for all Tier 1 dungeons include a Tank with at least 50 Toughness, a credible healer and an off-healer. The Tank will generally be a Warrior due to the lack of Rogue Tank gear available at the onset of Tier 1 Dungeons. Healers will consist of Clerics mostly where your best off healer will be a Chlormancer. This does not mean you will not be able to use a Bard or Justicar as an off-healer or a Chloromancer as a main healer.