Oki this is some of Addison's backstory and this is if he took her from her parents, Addison was a adorable child, but a VERY disrupting childhood, she was abused and one day her father blamed her for breaking a vase, her mother got a knife and starts cutting her and she hit Addison eye which making her blind, also this is the first partwhen she was like two she developed some powers or some shit, and her parents wanted money so they called scientist, they sold her to then for a while, when Addison got back she was traumatizedshe woke up and darkness just staring at her, and Addison grabbed a knife and throwed it at her, then darkness went back to ericher parents got tired of Addison crying when they hit her but Addison loved Slenderman's forest and her mother brought her to it with pills and left her, [also this is a summary of Addison story]
3 parts