“We had been assuming that somehow, the strength and lightness of the Blades was a fabrial construct powered by the gemstone,” Navani said. “This might not be the case. It seems the gemstone’s purpose is only used in initially bonding the Blade—something that the Radiants didn’t need to do.” “Wait. They didn’t?” “Not if this fragment is correct. The implication is that the Radiants could always dismiss and summon Blades—but for a time the ability was lost. It was only recovered when someone added a gemstone to his Blade. The fragment says the weapons actually shifted shape to adopt the stones,
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