"i killed sirius black! i killed sirius black!"

Bellatrix screams laughing running through the department of mysteries while harry runs off after her in anger

"CRUCIO"

Harry yells and it hits her but Bellatrix keeps laughing

"Harry Potterrrr you foolish child! your weak anger isnt going to hurt me! you have to meannn ittt you have to enjoy causing me painn"

she says still laughing