Soul-Reviving Corpses... or rather, the former, deceased demon hunters of past generations.
To strictly control the spread of corruption, the Silver Binding Bolt was implanted into the bodies of demon hunters to track their location and act as a bomb that constantly alerts to the boiling of the Secret Blood, incinerating them when necessary to kill any demon hunter who loses control.
This setup was already sufficiently perfect, yet people still did not feel safe. For this reason, they viewed the Well of Ascension as the final resting place for demon hunters. All who passed away would ultimately be cast into it, becoming one with the darkness.
Drawing the power of the Secret Blood from the Well of Ascension, only to return it after death.
The Well of Ascension was not only a cage set by the Secret Keepers for the Inexpressible but also became, many years later, the final resting place for the demon hunters.
