When Heavensward was in swing, back when tanks had their own unique defensive cooldowns, some better than others, and other just exact copies of Rampart; the buff Shadowskin on Dark Knight made me imagine that when a Tank uses a mitigation cooldown their body/skin physically changes in appearance.
Like Shadowskin's icon was this deep dark reddish purple that kinda looked like a really gruesome version of protect in the tooltip icon. There were a few short stories I wrote on other websites that I sorta garbage balled later or didn't every really flesh out where I had this Dark Knight character's armor get rended through, and the skin underneath and his face being all glowy, dark gem like with the blade or claw breaking on it. This idea was also how I justified there being so aetherially mesh rippled like physical attacks used to do when you were struck while under the effect of protect.
