The Last Mech-Druid

In the distant world of fantasy happened with unprecedented event, the clan of Druids that guarded the tree of life is almost completely vanished from the face of this earth because of frequent wars, there was only the last of this kind, which is entrusted with great hopes of ordinary people about the continuing onslaught of extraterrestrial monsters cradle of life of all things. So do not let down your people, give repel the invaders!