Bellatrix is glad for the restraint, though it doesn't show in her expression. More than anything, she's beginning to look impatient. Lucius's response - however valid - doesn't address any of her personal concerns, which, as always, makes it irrelevant to her.

"There is much to discuss, beyond this chaos." Her free hand drifts across her robes, over the weight of the mask still hidden within them, and something else, something far more important. "Be quick with it, if you intend to lead us elsewhere."