The Shadow Kingdom
"Examine it closely. Brule will wear it on his arm when he comes to you tomorrow night so that you may know him. Trust Brule as you trust yourself, and do what he tells you to. And in proof of trust, look ye!"
And with the speed of a striking hawk, the ancient snatched something from his robes, something that flung a weird green light over them, and which he replaced in an instant.
"The stolen gem!" exclaimed Kull recoiling. "The green jewel from the Temple of the Serpent! Valka! You! And why do you show it to me?"
"To save your life. To prove my trust. If I betray your trust, deal with me likewise. You hold my life in your hand. Now I could not be false to you if I would, for a word from you would b