Wow this is awesome! Thanks for your work. It's going to be really useful for videos.
About that, are you planning on adding hero powers' sounds? This could be really useful for me and other I think.

One thing that could be cool as well is to add the general sound. By that I mean when I concede, My hero say his line and there is a "sound" playing because I lost. Same for when I win etc...

Keep the good work and thank you so much, this is going to be so helpful for me!