It has been understood for a long time that you can hit your opponent through the platform in Super Smash Bros. for Wii U. However, a recent tweet from Japanese player MakuaJD showed off some surprising and powerful “true” combos with Corrin’s Neutral-Air through a platform:
— マクア (@MakuaJD_crn) October 17, 2017
And that’s where Beefy Smash Doods steps in to do what they do best: explain why these combos work, and what you can do if your opponent is attempting to use this tech.
Do note that these combos will typically only hit medium-to-tall characters, and many of the moves that lead into these combos are unsafe. The original Corrin example still stands out for being a Neutral-Air instead of a traditional Down-Air: it has safety far surpassing most Dairs.
Source: Beefy Smash Doods