The Heralds' Oath

Lore & Background

This betrayal had catastrophic consequences, trapping them in a cycle where they were resurrected each time a Desolation began due to the Oathpact, unable to escape their duty despite their reluctance. Their suffering came from the torture they endured between Desolations, not from breaking the vow itself. In the world of Warbreaker, this history is sometimes mistakenly linked to Vasher, but he is not a Herald; his ability to manipulate color and Breath utilizes Endowment, a distinct Shard from Honor, which is the sole source of the Heralds' power through the Oathpact.

In Their Own Story

Vasher stood at the edge of the cliff, watching the sunset paint the sky in hues he could command with a thought. He remembered the voices of his brothers, long dead yet never gone. They had promised to end the cycle, but fear had kept them silent for centuries. Now, holding a jar of Breath, he knew the oath still bound him, even if no one else remembered the name.

Reader's Guide

Originally, ten ancient warriors swore a binding vow to protect the world from recurring darkness. They promised to return whenever the enemy rose again, regardless of personal cost or fear. But after the first great war, terror consumed them and they broke their promise. This failure trapped them in cycles of death and rebirth, forcing them to endure eternal suffering until they could fulfill their duty again. In the context of Warbreaker, this history explains the existence of Vasher, a Herald who remained behind on Nalthis while his brothers returned to Roshar. His immortality stems from this broken vow, allowing him to manipulate color and Breath in ways no ordinary mortal can. The cycle continues to this day, with the Heralds returning during each Desolation despite their reluctance. Their failure to keep the vow initially allowed the Voidbringers to nearly succeed, shaping the history of the world.

Did You Know?

• Vasher is not a Herald; he is a Returned from Nalthis, not one of the Ten Heralds of Roshar.
• The Oathpact was broken after many Desolations, specifically when the Heralds abandoned their oaths at the end of the Last Desolation (the Aharietiam).
• Heralds are resurrected each time a Desolation begins due to the Oathpact, and their suffering comes from the torture they endure between Desolations, not from breaking the vow itself.
• The Heralds' power comes from Honor (via the Oathpact), not from Odium, who is the enemy they fight against.