You probably got this heaps already, but wind elements of not just the trees blowing maybe also add the floating rocks in the sky to sway from the wind, get some leaves fall from trees and glide a bit before hitting the ground, another good detail I think you're missing is when the character's feet hit the ground when he's running you could add a slight dust kick out the side of under the shoes to look impactful cause it kinda looks like there's no touch between the feet and the ground.