The Goddess of Destruction: Harmony update will be coming to Lineage 2 this Wednesday, March 7th. Set to include improvements on the leveling journey from 76-85, this update will serve as a bidge to the full-fledged Goddesses of Destruction: Harmony expansion. 

There will be new quests, campaigns, new mentoring skills, skill chnges, and changes that affect all level ranges in the game. Aden is undergoing these changes soon, so you should get more info on everything to expect here at the Lineage II website.