Semi necro post...
“The Parshendi? That makes no sense.” Gavilar coughed, hand quivering, reaching toward his chest and fumbling at a pocket. He pulled out a small crystalline sphere tied to a chain. “You must take this. They must not get it.” He seemed dazed. “Tell . . . tell my brother . . . he must find the most important words a man can say. . . .”Could this be the chain that the Smoke Stone Gavilar gives to Szeth? Implying that it may have been binding whatever spren/unmade was inside it..