The emu doesn't currently support Shrouds. Only GMs can play as a monster, and you do it by typing the /become (/be /becomenpc) command. Though, it doesn't work exactly right. It will put Trader in front of your name as if you were a bazaar trader, it makes you into a merchant, but also an NPC that can attack or be attacked by other players just as a normal NPC could be.
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