Eris is the second best Gryffindor in Dumbledore's family and Albus's sister.
He particularly likes the extremely powerful high-injury magic. On his 11th birthday, he later saved his sister Ali.
Anna, injured by the spells of Grindelwald, Aberforth, and Albus, was still alive, but
The sister was frightened, turned into the Obscurial, and accidentally killed Eris. Later, with the help of Grindelwald, Albus Dun
Bullido used time-taboo magic to stop his sister's time. (It can be understood that he
Keeping the body in a fresh state), it's really gratifying that Eris can barely survive.
From "A Brief History of Potter"
Ah, in the end, he was sent to the Tokyo Conjuring College because of the riot caused by the power of magic.
Intention: I am not important, as long as others survive