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Faceless, in the Russian version, was called Saref, if I remember correctly.
The fact that elementals attack is intentional; there's a bit of time given so you can figure out what's happening and move away (this is the case with almost all random encounters). If you don't move away, a battle will start, but otherwise, you decide whether to attack or let them go in peace.
P.S. Easy quests for money – bounty hunting.