@ DieLuna0 So... Reader's code name is Ivory.
[Name] Ivory used to be human with kind and gentle demeanor who grants wishes. She tried to improve her people to attract good but can't because her people are greedy and selfish who only cared about money and wealth, so she wrapped herself into cocoon to fulfill wishes of her people but a rumor that said that her cocoon there are valuables and wealth ones (like money,etc) hiding and her people were angry with her, their expression with hatred, wrath and greedy until they came to her temple 'Ivory Pagoda' to cut off her cocoon and attack her but [Name] Ivory survived the attack and feels betrayed by her people who loves and worshipped her, she realized that she doesn't feel suffering and sadness but Apathy.
She became the personifier of Apathy, a entity who feel emptiness and apathetic with her own people, turning to her people into dust as punishment if any person is greedy and selfish with her but later she was captured by Hadal Blacksite where they studied her (not experiment her) and she meet Sebastian Solace.