Mysterious chronicle (part 21)

Mysterious chronicle (part 21) is a Dungeoneering item released on 19 August 2010.

Contents
Year 1890 of the 4th Age: 

''I hazard to call it a disaster, but something grossly unwanted has happened. One of my portals malfunctioned and a race of troublesome creatures crept through without me noticing. They refer to themselves as the gorajo and they manoeuvred against me from the very start; their culture despises the reanimation of the dead and the summoning of demons, it seems. The backward fools. While my powers are great, they have a habit of keeping out of sight, so I fear this will be a long fight.''

Zamorak guide me!