Several static leve's monsters at Treespeak

[Umo]

Platform: PC
ISP: Tefefónica de España (TdE)
Type of Internet Connection: ADSL
Internet Connection Speed: 10Mb/s
Date & Time: Feb. 16, 2012 20:50 CET
Frequency: Always
Character Name: Umo Heima
Race: Hyur Highlander
World: Gysahl
Class/Level: Pugilist/45
Area and Coordinates: North Shroud > Treespeak (23, 16)
Party or Solo: Solo
NPC Name: N/A
Monster Name: Lunging Lemur, Spotted Eft, Earth Elemental
In-Game Time: 23:56
Steps:

1. Got to detailed Area and Coordinates.
2. There are a level 40 Spotted Eft, a level 40 Earth Elemental and two level 40 Lunging Lemur all standing still. Their names are purple. You can't attack them nor getting attacked by them.
3. You can find a leve checkpoint alongside the Lunging Lemures also.