Required for: Mark Of Fealty
Quest undertake 3235.
Obtain the item a love that could not be from a figment of your imagination in Hellbent Mountain and give it to Lord Agrippa.
Figment of your imagination are eth mobs in the lower areas of Hellbent. You can use 'tremor' to start combat with them (from research notes). They are found in rooms marked 'A Wavering Tunnel' (107220) near the exit into the UG.