Hextech Repair Tool deleted all my files, beware

So, my LoL stopped working. Got the Tool, tried to force patch, didnt work. Tried to reinstall, didnt work. Then I took the uninstall route. Unfortunately, LoL was not in a folder, but in the main directory of my D: drive. Didnt expect that "deleting all the files" woud include non-league related things. Since my D doesnt have restore points, I now have to redownload 1TB of games. Just a heads up for people as stupid as me. If anyone knows a good way out of this, help is appreciated, but at this point I accepted defeat.
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