The cosmic tree found in various mythologies, representing interconnectedness, is Yggdrasil in Norse mythology. This immense and central tree connects the nine realms of existence, symbolizing the life force that binds everything together. It reflects the harmony and balance of nature and the universe, illustrating the interdependence of all beings. Yggdrasil is not only a source of wisdom but also embodies the cyclical nature of life and death, capturing the essence of creation.