After Eren’s death, the legacy of the Titans vanishes, and all Titans are lost from the world.

Source: https://gamerant.com/attack-on-titan-the-final-chapters-what-to-expect-from-part-2-according-to-the-manga/

Natural light from the Venetian outdoor court vanishes as the day goes on.

Source: https://www.chicagotribune.com/entertainment/ct-ent-fine-arts-building-chicago-20231005-i3z2wdlltjcx5kduipgzark5ma-story.html

Oddly, however, she vanishes from history before reemerging in 17th- and 18th- century European literature, most notably in the Romantic poetry of John Keats.

Source: https://greekreporter.com/2023/01/21/lamia-the-man-devouring-goddess-of-greek-mythology/

To his surprise, she vanishes and is replaced by Kamala Khan a.k.a. Miss Marvel (Iman Vellani).

Source: https://www.fwweekly.com/2023/11/09/marvels-tag-team/