Part 1 The skip showed at 32:55 on the video (jumping on neville's head to skip a small dialogue) was found to be a multitask and thus not valid, the alternative is to go on the other side and trigger the cutscene with crabbe and goyle

Part 2

New strats:

Mod note: On July 10th, 2021 the community switched from Dxtory to a framerate capping mod (instructions can be found here: https://www.speedrun.com/hp1pc/guide/sqo2x ), and as such Dxtory is no longer allowed in speedruns of this game.