They were described as being pretty weak by Twenty-Fifth Baam, but they have cleared the Hell Express before and most regulars are weaker than Baam, so their level of power is a bit ambigious. But since they are also ticketers, their level must not be underestimated, although it seems that they are not a strong ticketers since they were beaten by Yeo Miseng.
Observer: Purple Eye: An unique observer owned by the Purple Eye Brothers.
Special Skill: Slow Eye: A skill that slows down whoever it targets.
They are shown as two of the sponsored regulars helping Zahard's Army to annihilate the regulars on the Hell Train. They try to stop Baam's group inside the Last Station, but are defeated by Yeo Miseng.