From Chronicles of Blood Wiki
The rogue forgotten one is the trainer in Dark oblivion.
You must be at least level 11 and be in dark oblivion before you can visit the rogue forgotten one.
The rogue forgotten one can send you on quests to teach you new skills and help you become a more powerful vampire:
The rogue forgotten one can also help you dominate certain servants when you bring it the correct number of words of command for that servant:
- 9 May 2011: The rogue forgotten one trainer was added to Chronicles of Blood.
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