Hits for 475, immune to runspeed changes, mitigates slow to "mostly," enrages at 10% as posted earlier, does NOT summon. If you take advantage of bad pathing, the mob can be kited carefully. Solo'd him as a 66 Ranger with minimal AAs.
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Jiriki Sa`Onserei, 120/67k AA Wood Elf Ranger Anadriel Starfire, 120/46k AA High Elf Mage
Hit my pet for 468, same as Overseer Pruckib. Used mend companion and frenzied burnout, but couldn't keep pet up. Gated out when Huflam was at 65% health. Now if I can just get the Fabled Blackguard Thabis to spawn, I will have the dubious distinction of getting my **** kicked by all the fableds in this place, lol. Thank goodness for gate =)