Cave of Judgment

Loot
None

Monsters

 * Cursed Training Dummy
 * Sinister Lantern Sprite
 * Wandering Training Dummy

Inhabitants

 * Gunma the Starblade
 * Jinwong the Tempest
 * Madun the Mistwalker
 * Myo the Scarlet Shadow
 * Onmyung the Celestial Force Master
 * Taywong the Southern Tiger
 * Old Man Cho

Achievements
None

Trivial
-They are called as Eight Masters, but there are only six presenting when you visit the cave.

-The two absent Master are Zulia, a Warlock and Leerok, a so-called Gunner and also the Headmaster of Ironsight Academy in Zaiwei.

-The reason of Zulia's absence can be seen in this webcomic:

Original source

Translated version by 38ll on Reddit:

Chapter 1, Chapter 2, Chapter 3, Chapter 4

-Depend on your class of choice, you will speak to different Master.
 * Gunma the Starblade: Blade Master, Blade Dancer.
 * Jinwong the Tempest: Destroyer.
 * Madun the Mistwalker: Summoner, Warlock, Gunslinger.
 * Myo the Scarlet Shadow: Assassin.
 * Onmyung the Celestial Force Master: Force Master, Soul Fighter, Zen Archer.
 * Taywong the Southern Tiger: Kungfu Master.