Notices door

The door, when he finally reached it, didn’t stand out at all from any of the others. Indeed, the Horseman very nearly passed it by, until he noticed one tiny discrepancy. All the other doors were scarred and singed from the explosion that had obliterated whole swaths of the hallway. This one, other than a few ash-blacked blotches, was undamaged.

A blast from the Redemption cannon confirmed his initial assessment: The portal was definitely reinforced, perhaps mystically bolstered, to withstand attack. So much so, in fact, that it took three distinct blows from Chaoseater before it split down the middle.

***

The Abomination Vault, Chapter 9