Tabitha's Revenge

Tabitha enters the club shortly before midnight and approaches Richard's table.
Dame Grace looks at Richard, who gestures her to relax.
Richard gestures for Tabitha to sit. She does.
Tabitha says, "Richard."
Richard says, "Tabitha." After a short pause, "How are you?"
Tabitha smiles slightly and says, "Old."
Richard nods matter-of-factly.
Tabitha says, "I thought a lot, over the years, about ways to get out of that oath. Of course, you worded it well so that I couldn't unweave it."
Richard says, "Can you blame me?"
Tabitha says, "Of course." She smiles and Richard chuckles.
She continues, "It did, however, occur to me that nothing was stopping me from unraveling the oaths you had with others."
Richard's eyes widen. Tabitha looks at the clock, which shows it is just reaching midnight.
Dame Grace cocks her head and looks at Tabitha. The other Lost in the bar looks startled.
Tabitha says, "Yes, all of his contracts."
Dame Grace nods and, in one fluid motion, stands, draws, and stabs Richard through the heart.
Nobody seems to notice.