A powerful organization opposite to Hon in beliefs and functioning.
Atran believes in 'might is right' ideal. Unlike Hon, they don't support the harmonious co-existence of humans and anothers. Rather they believe those with superior powers shall rule over the weak. They are zealous of obtaining power and upholding their supremacy by any means necessary.
They have a number of highly dangerous Anothers in recruitment.
The heir to Hon was killed by Sa-Ryun. After that they pursue him but is unable to capture him so far.
The murdered Atran prince knew about Pandora's box and key location. After his death, Atran attacks Hon to obtain the key - Su-Jin Ji. However, Hon had prepared according to the tip from Sa-Ryun. Atran fails the mission and suffer heavy casualties.