One of the most vital lore breakthroughs in The Coppermind Wiki Archive is that . Prior to this event, if a Radiant broke their oath, the spren did not suffer this horrific, mindless fate.

Shardblades (unless summoned as a Blade by a living Radiant).

: Deadeyes bear physical marks of trauma, most notably eyes that look intentionally scraped away . Even Cryptics, who lack normal eyes, feature jagged, twisted, and scraped central geometric patterns.

In the Cognitive Realm, they are seen as pale, silent reflections of their former selves, often described as having empty eyes 1.2.3.

A spren's existence is divided across the fundamental realms of the Cosmere. When the magical Nahel bond between a human and a spren is violently severed, the consequences ripple across both reality and the afterlife: