Camped this mob while doing a relic mission/task to gather fire ember hearts, and this named came up....pulled with 70 pal OOW geared, 11k and 1900ac, with my friend 70 enchanter.....spawns a helper which chanter mezzed after slowing and cripling both, took down easily, self healing...1st time droped the spirit mark for legs (grats me) and next time dropped onlly the heart...seems to spawn anywhere in that area, as we killed at front, and rear...hope this helps
I have been duoing this dang camp for 4 or 5 days with my cleric and necro. Killed Embra about 16 times and got spirit mark for legs. Killed Shekar about 9 times and got 1 spirit mark of battle for breast plate and gave it to my warrior. Still camping it for my necro atm. Very long and boring camp but I have gained decent xp in the long tedious process on both my toons.
Last night while grouping there helping friends farm drops for armor drops. All versions were yellow to my Bard at lvl 67. However, some were even con to a lvl 69 in my group, and others were dark blue. We managed to get three Spirit mark of fires from this mob, each time it was even con to lvl 69, the lvl 68 version did not drop it.