Although Yurei members were wary of relying on the samurai armor-coat, afraid of its ability to manipulate their thoughts into bloodthirsty, mindless beasts, it remained their best form of defense.
Its hardness and ability to twist to anything coat like to their will were significant advantages. However, this advantage came with a fatal cost: the armor-coat absorbed the blood in the coffin, which they desperately needed to fill.
They didn't notice it before, because the amount of blood being taken was little, but Lucy was playing close attention to it, wanting to figure out how it worked.
Unaware of how her boss obtained this information, Tsukino sighed, halting her movements, cursing silently, 'Those ugly things! They should have told us how this works before tempting us with power!'
