It's amazing the amount of volume he's able to get with his legato and tapping.
Have you heard of Tosin Abasi? If you haven't you definitely need to watch this clip. It gets really crazy at 3:20 - https://www.youtube.com/watch?v=N5kXnPU4egE
And maybe you can help me figure out how he's doing some of this! lol. I kind of get what he's doing but I can't do it well or get the same tone.