Idcham Slytherin was once a genius, with unparalleled talent for black magic. His miserable childhood made him trust the person - Kerry Gryffindor, but he was betrayed by him. He was already dead, but he inadvertently went to London in 1984...
There are only two original characters in the series, and the rest belong to Rowling.
This is my first time writing an article, so my writing style is not good, so please forgive me.
Possibility ooc
Purpose: to make up for Ide's regrets