Chalice
Smash Journeyman
I put this in the tech sharing thread but I'll put this here as well
I was watching Trela playing Cloud against Karna playing Sheik and I saw something interesting
Trela had Limit Break and he did a SHFF Uair in place on Karna's shield RIGHT NEXT TO HIM and the pushback + shieldstun was enough so that Karna could not grab him
I tested it and it turns out if you SHFF Uair in place against Sheik then you can't be grabbed with or without Limit Break. (I don't think Limit Break matters though) In other words, SHFF Uair is positive on Shield.
It works against the majority of the top/high tier characters except for Ness, Sonic, Pikachu, and Rosalina and Tumor
Against those 4, you have to space the Uair a little and you can't be grabbed.
This doesn't work if you run towards them and do the SHFF Uair on them because your momentum puts you in range of their grabs.
HOWEVER! It doesn't matter for because you can DTilt or Jab upon landing since ZSS grab comes out slow and these moves will beat it out
Also, you can still Autocancel SHFF Uair even in Limit Break. You just have to delay your fast fall by like half a second. When you don't have Limit Break it doesn't matter, you'll always autocancel