They are, for the most part, druidic, shamanistic, peaceful, and powerful beings. Various Druidic groups also display New Age and neo-shamanic influences. Each Druidic grove conducts its rituals and ceremonies in a unique way. He organised the occasion according to what he claimed were ancient Druidic rites. Druidic rituals are designed to align their participants with the spirit imbuing nature. Oak trees were venerated in Druidic religion and mythology. Mistletoe played an important role in Druidic mythology in the Ritual of Oak and Mistletoe. The Christianization, of the previously Celtic Druidic island culture, began in the 4th century, CE. His religious beliefs have provided an influence on the modern druidic movement. Chambers suggests that it hearkens back to druidic fire-worship. Druidic groups are usually known as "groves". Kate begins to struggle, possessed with a strange desire to join the druidic ceremony below. A number of well established Druidic groups operate elsewhere in Europe. Attitudes to land and environmental conservation are important to the Druidic world-view. Nevertheless, in 1849, Druidic theories were still influential.