So we’re just ignoring the part of Snape’s memory where Snape used Sectumsempra on James’ face?

owlpostagain7:

“Bad luck, Prongs,” said Sirius briskly, and turned back to Snape. “Oi!”

But too late; Snape had directed his wand straight at James; there was a flash of light and a gash appeared on the side of James’s face, spattering his robes with blood. James whirled about: a second flash of light later, Snape was hanging upside-down in the air…

Just checking.