This one is easy with Enchanter
These one sticked easily:
mezz
slow
cripple
Druid debuffs
snare
Cleric Marks
Cleared area around the hut with Harmony/Pacify, he doesnt see invis btw and only a healer for the tank is necessary
hits in the 150-350.... sometimes a bit more
only thing is a 8k damage from time to time which is easy to spotheal if your tank has decent HP
Respawn time of the ground spawn for the Charm of Lore is quite long compared to the other ones... you have to wait about 5-10 min