The quote from Sabriel reflects the different roles and powers associated with a mysterious object or force that various characters possess or utilize. The Clayr, Wallmaker, King, and Abhorsen each see or use this power in unique ways, highlighting its significance within their worlds and their distinct functions.
Ultimately, the Abhorsen's use of this power is crucial in preventing the Dead from returning to the world of the living, emphasizing its importance in maintaining the natural order and protecting the realm from supernatural threats.