Megavitamins
Smash Champion
No, I think the 100% + only effects ledge options.It might still be possible to hit if you catch the opponent off guard. After 100% I think you roll a bit slower after hitting the ground, so GAW can benefit from that. Ive seen people be grabbed 4-5 times and usmashed...its really gay lol.
Point is though, the dthrow techchase is the only way you should be getting hit with a upsmash, and rare at that.