He thundered that he'd kill her if she came into his sight again and ordered her flung from the room—violence as law.

“If you strike me, Hareton will strike you,” she said; “so you may as well sit down.”

“If Hareton does not turn you out of the room, I’ll strike him to hell,” thundered Heathcliff. “Damnable witch! dare you pretend to rouse him against me? Off with her! Do you hear? Fling her into the kitchen! I’ll kill her, Ellen Dean, if you let her come into my sight again!”