The white looks cool on Thrall, I'd rather he have a fusion of that and the doomhammer plate to be honest.
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They added the Bulwark of the Mountain King into the lore in 8.1, that's nowhere near as iconic as the Doomhammer Plate, which has exited for about 20 years. I also thought Artifacts were stupid so.
I would much rather a wolf cowl like Thrall has personally but nobody is wearing the Doomplate right now. So