What Is The First Unforgivable Curse That Harry Used?

What Is The First Unforgivable Curse That Harry Used? Unforgivable Curses IncantationAvada Kedavra Crucio Imperio Type Curses Light Green (Avada Kedavra) None (Crucio) None (Imperio) Did Harry Potter use an Unforgivable Curse? Harry makes use of two of the Unforgivable Curses in the books. Dueling with Bellatrix Lestrange, he attempts the Cruciatus curse, with limited