the low end would be above what I remember The World's punches being at, believe those were are 20 tons of tnt or something there is this sort of weird feat with Justice which came out to small town level though, not sure what to make of that https://www.fanverse.org/blogs/star-platinum-vs-justice-jjba-part-3-stardust-crusaders.18414/ we rejected country level damage stack so ignore that, the rest of the calc was never rejected afaik