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I also suggested Mark. Nefela was a brunette, which gives mana, and the second one was a Khadir. There was a hint that he doesn't control magic very well. Regarding the Warlock – maybe it's the one who likes to read 0_o, the shaman mentioned it in his biography, and someone with a nickname starting with "m" and having 4 letters. I can't say who, I'm on my phone.