Possible Spoilers
So I went to one of my settlements and found both Arts shooting at each other. From what I've seen, the real Art died, and the synth Art lived. I killed who I think is the synth Art and got a Synth Component.
Now that they're both dead, will they ever respawn?
41 Answer
From synth-Art's wikia page:
Art and "Art" will be a common recurring random encounter, even if both died.
So, yes, this event can happen even if one or both Arts died, and can keep happening an unlimited number of times.
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