With Echoes 4980 “The Successor” (NON, Keystone #191) and 4981 “The Patient Paper” (DIAL, Keystone #192), the Echoes arc’s keystone streak reaches 192 consecutive NON/DIAL-alternating chapters. The arc’s pivotal transition — the old ledger filling its last page, Nyra setting a new blank book beside it, the girl shelving the full volume and opening the new — spans two chapters and two tones. In 4980 (NON), the passing happens without words; in 4981 (DIAL), Nyra speaks: an empty book is not a lack, it’s a trust. Together they form a diptych about inheritance, continuity, and the courage of blank pages.