Here is my take on the Slithering Tracker. Constructive comments are welcome.
Slithering Tracker Level 4 Elite Lurker
Medium Natural Beast (blind, ooze) XP 350
Initiative +3 Senses Perception +2
HP 94; Bloodied 47
AC 18; Fortitude 19, Reflex 13, Will 15
Immune Gaze; Resist 10 acid
Saving Throws...