You obtained 1 Shadow Stone.
A pitch-black crystal stone appeared in Su Xiao's hand. The blackness was deep yet gave off a sense of purity, and its shape resembled a pebble.
Shadow Stone
Source: Death House
Effect 1: The Shadow Stone could be used to trade with the 'dead' inside the Death House.
Effect 2: After using it on himself, he could receive Shadow's Shelter. While under Shadow's Shelter, he could negotiate and trade with the 'dead' inside the Death House who could not otherwise be dealt with.
Description: Anna, you cannot escape the shackles of your mission. Someone must guard the Death House. Either you or me.
The Shadow Stone had quite a few uses. First of all, it was similar to currency and could be used to trade with the dead inside the Death House. As for what the dead were, that was still unknown.
As for Effect 2, that was very interesting. Some of the dead inside the Death House were extremely dangerous. Not to mention trading with them—even negotiating with them could bring unknown risks. At such times, Su Xiao could use the Shadow Stone on himself, enter the Shadow's Shelter state, and try to negotiate or trade with those dead.
What good things the dead possessed was still unknown, but to become permanent residents of the Death House, they should have quite a few valuable things on them.
The description of the Shadow Stone was interesting as well. Its meaning was clear: Anna had not become the master of the Death House willingly. Someone had to guard this place.
"Someone must guard the Death House. Either you or me."
The "me" in this sentence was intriguing. It felt as if, aside from Anna, someone else was qualified to become the master of the Death