Got him to spawn three times for me in the Fire Pits. Started Exp. with lvl 61. PH for Silentstep is an ukun flesh hound. Flesh hound is located right behind the big fire pit as you enter the room. I got two Coifs and a sword called: "Short Sword of Enlightening Power" don't see it on the items list yet so here it is :).
Short Sword of Enlightening Power
MAGIC ITEM LORE ITEM
Slot: PRIMARY SECONDARY
Skill: 1H Slashing Atk Delay: 21
DMG:14 Dmg Bonus 11
Effect: Frost Rift (Combat)
STR +6 DEX +6 WIS +4 INT: +4 AGI: 10 HP +40 MANA +35 Endurance: +35
SV FIRE: +6 SV Disease: +9 SV POISON: +8
Required level of 55
WT: 1.2 Size: MEDIUM
Class: WAR RNG BRD ROG