Buy your class specific Cocoon i.e. Druid's Polymorphic Cocoon 2 slot container from Zebuxoruk in Void (B) after completing 3 progression tasks in Oceangreen hills.
Combine the Whispering Mutating Tinea (for head) bought with your hard earned Chronobines from Zebuxoruk with Warped Seminal Luminessence (Head/Feet) -Mob dropped item- in the cocoon to make Concordant Earthborn Leather Cowl.(Druid).