“I’ll kill you if I have to!” grated Oliver. “Hand it over!”
“Then you’ll have to kill me.”
If she was counting on his innate decency to overcome the effect the Amulet had on him, she was mistaken. He pointed the gun right at her heart and pulled the trigger—
—and nothing happened.
He frowned and fired twice more. There were two more explosions of sound, and still Lara stood there facing him.
He checked the Magnum, searching for the malfunction.
“It’s not the gun, Malcolm,” she said. “As long as I’m in possession of the Amulet, you can’t kill me.”

The Amulet of Power, Chapter 34