ive tryed it for around 10 hours without getting him to spawn aswell, i never needed more then 30 mins on Live and i never killed any Giants to get him to spawn.
this is from Tessmage:
http://www.tessmage.com/AllaClone/zo...de=spawngroups
iceclad_1 (-3317 / 6377 / 199) (respawn time : 10 min 40 sec)
#dire_wolf_stalker, chance 20% (level 35)
a_dire_wolf, chance 80% (level 32)
iceclad_1 (-3594 / 5804 / 106) (respawn time : 10 min 40 sec)
#dire_wolf_stalker, chance 20% (level 35)
a_dire_wolf, chance 80% (level 32)
iceclad_1 (-1782 / 6692 / 141) (respawn time : 10 min 40 sec)
#dire_wolf_stalker, chance 20% (level 35)
a_dire_wolf, chance 80% (level 32)
iceclad_1 (-953 / 5386 / 139) (respawn time : 10 min 40 sec)
#dire_wolf_stalker, chance 20% (level 35)
a_dire_wolf, chance 80% (level 32)
iceclad_1 (-3410 / 7272 / 167) (respawn time : 10 min 40 sec)
#dire_wolf_stalker, chance 20% (level 35)
a_dire_wolf, chance 80% (level 32)
iceclad_1 (-3139 / 7778 / 189) (respawn time : 10 min 40 sec)
#dire_wolf_stalker, chance 20% (level 35)
a_dire_wolf, chance 80% (level 32)
iceclad_1 (-3437 / 6016 / 158) (respawn time : 10 min 40 sec)
#dire_wolf_stalker, chance 20% (level 35)
a_dire_wolf, chance 80% (level 32)
iceclad_1 (-2861 / 7285 / 150) (respawn time : 10 min 40 sec)
#dire_wolf_stalker, chance 20% (level 35)
a_dire_wolf, chance 80% (level 32)
iceclad_1 (-3399 / 5971 / 150) (respawn time : 10 min 40 sec)
#dire_wolf_stalker, chance 20% (level 35)
a_dire_wolf, chance 80% (level 32)
iceclad_1 (-2199 / 6403 / 168) (respawn time : 10 min 40 sec)
#dire_wolf_stalker, chance 20% (level 35)
a_dire_wolf, chance 80% (level 32)
iceclad_1 (-2275 / 6670 / 153) (respawn time : 10 min 40 sec)
#dire_wolf_stalker, chance 20% (level 35)
a_dire_wolf, chance 80% (level 32)
iceclad_1 (-3680 / 5125 / -20) (respawn time : 10 min 40 sec)
#dire_wolf_stalker, chance 20% (level 35)
a_dire_wolf, chance 80% (level 32)