Comment author: maia 13 December 2013 04:49:50PM 19 points [-]

As in this comment: Probably Quirrell is lying. When he realized Harry was upset about the centaur dying, he thought fast and Inferiused the centaur and made up the bit about green stunners.

IIRC, in canon Avada Kedavra has a distinctive color not shared by any other spell.

Comment author: Muskwalker 17 February 2014 05:28:07AM 1 point [-]

IIRC, in canon Avada Kedavra has a distinctive color not shared by any other spell.

In MOR, though, "green light the exact shade of the Killing Curse" is a spell first-year Draco can cast (ch47).