The most dangerous type of relic is the natural phenomenon type, and even the Interstice of Life and Death in Milestone can be classified as a natural phenomenon.
Yet Shard wasn't troubled by the information Iluna provided; instead, he frowned slightly. It wasn't because he was confident in his own lack of fear of death, therefore underestimating the power of the shadows, but because he felt like he had encountered something he had come across before:
"Iluna, could these shadows disguise themselves as people we know to deceive us?"
The seventeen-year-old girl, although unsure why Shard would ask such a question, shook her head gently:
"Absolutely not, if this is truly Thanatophobia, they are ourselves, so how could they disguise themselves as someone else? They are us, they are ourselves."