Aatrox [BUFF] Suggestion

Hey, we all know Aatrox isn't really in a good spot at the moment. He feels very lackluster. I got a few changes in mind to help him out a bit.

His ult feels pretty... silly? It's basically a small nuke with an empowered passive for the duration.

1. Give his ult an AD increase. Something not to big like 10/20/30 extra AD. Just so that ult buff isn't just Attack Speed.
2. While in his Ult. It looks like he's flying. So maybe a movement speed buff. something like 20% extra MS?
3. A kill in his Ultimate could extend it's duration. To really make it feel like a "Massacre"

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Other options could be: 3. Resetting Q cooldown on kill 4. Reducing Q cooldown if Aatrox hits someone with it.

I think Aatrox could be a really cool efficient champion. It's just sad to see that he lacks power at the moment