How you get Purified Claymore of Destiny sword in aqw

you can find the claymore here http://i55.tinypic.com/4lk1gp.png 
there's a good NPC there... just accept the quest of "Purified Claymore" and it turns in Purified Claymore of Destiny...
and by the way just type /join tercessiunotlim or i you can't enter just collect 20x bone dust