Ple-Sen
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All assembled artifacts are considered cheating. Once in HotS, I collected the King of the Undead's Robe in two weeks using the Dungeon faction, and gave it to an ally. Or, while playing as Necropolis, I found an Elixir of Life (meaning I found a cheat artifact that was useless for that race). Oh yes, the only assembled artifact that isn't considered cheating is the Captain's Hat.