Tamotu

"A green mist issues out of the book as you draw your sword out of the Sordello's dead body, billowing out like the ink from a squid. The mist forms a disturbing face, a malformed hideous visage of evil. Again, the deformed face with the deformed mouth speaks with a deep sonorous but sepulchral voice, saying, 'I will destroy you for killing my acolyte!' Quickly a horrific, demonic body forms to match the infernal visage of the demon. A foul odour, a gross miasma you know can never be forgotten, fills the room, a smell so disgusting it beggars description. With multiple arms and weapons, it attacks!"