Time for a Garden Party

This quest is step 18 of The Peacock Club Timeline
NOTE: At least one member of your party 'should' complete Punja's Progression to be able to melt the ice and climb the wall for step #2.
==Steps==
#Kill the a channel cleansers until you receive all the runes. They will drop a small chest that will contain one rune. Quest will update when each rune that is needed is looted:
#*the rune of adla
#*the rune of kom
#*the rune of herk
#Go to the Arbo'Un Monolith and Summon Arbo'Akh in The Halls of Learning at , ask about Thalbinous. 
#Speak to Thalbinous at 
#* To spawn Thalbinous you have to kill the 3 groups of fiendish weedlings. All 3 groups have to be wiped to spawn him. If you are too slow and the first group spawns again before you killed the 3rd he doesn't spawn. One group spawns by Thalbinous, the second on one side of the main building, then cross through the alley to the other side to kill the third group. There are 4 in each group. When all are dead run back up the ice wall and speak to him.
#Finding pinecones: Kill a twisted arbor for the initial update.
#*Then, get further updates by double-clicking tree(s):
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#Return to Thalbinous
#* You have to kill the weedlings again to wake him up
==Rewards==
*One of the following:
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