Calleen of Alstair was the first sentient element plant born on the dead planet Alstair, long consumed with fire from heavens. Her refuse to give up in the face of extinction allowed the planet over the centuries to thrived with life which eventually puts her on the path to becoming one of the Original Seven Green Lanterns.[52] She became Green Lantern 006 and was killed in battle by Volthoom.[53] Her body is currently located in the Vault of Shadows.[54]