Desolarus Testing Grounds

Desolarus Testing Grounds is a level 70 5-man dungeon.

DTG was released in End of September with patch 110. It is basically remade last room of Forsaken Island with new boss mechanics.

It's rated ilevel 510, +9 Mahtnan weapon and +6 armor.

The devs have added paid resurrections like in lower dungeons, so it's pretty much farming dungeon for high geared players. Except it has wipe mechanic. Failing certain mechanics will make boss counter go down from 100. If the bar reaches 0 you will wipe. When you die, you get 10 minutes death mark debuff. If all 5 players have this debuff, Mercy bar will be decreased. The wipes are very rare or non-existent even with insta-match party.

This makes the dungeon a farming dungeon for high-geared players. It gives nice gold awards and 2 mythic Starglimmer Accessory Chests to grind for highest rings, earrings and necklace.

Lore
During initial quest Dakuryon is seen argonizing various subjects.

Bosses
Type "Argon"
 * Tormented Desolarus

Achievements

 * Let Me Sleep! - defeat Desolarus without dying
 * It's Just an Illusion! - defeat Desolarus without getting hit by demons' attacks
 * Désolé, Desolarus! - defeat Desolarus without getting stunned
 * Master of Repetition - clear dungeon 30 times.
 * Top score on the Desolarus Testing Grounds - complete previous 4 achievements