"Tezcatlipoca appears on the first page of the Codex Borgia carrying the 20 day signs of the calendar; in the Codex Cospi he is shown as a spirit of darkness, as well as in the Codex Laud and the Dresden Codex.His cult was associated with royalty, and was the subject of the most lengthy and reverent prayers in the rites of kingship, as well as being mentioned frequently in coronation speeches.