Spent 4hrs farming, never see any letter drop at all in Enchant Valley.
Went to IVORY TOWER, got a number of letters.
Been farming for past few day almost 24/7, but yet to get even 1 set of "LINEAGEII", but alot of other letter, which is really useless.
Tried other combo set, as usual, you get some cheap and useless reward.
The frustrating part is: Meele will get Blessed Spiritshot / Mage with get Soulshot.