Mavericks -> HS, now boot0af: error

As the title says, upgraded chameleon to clover on Mavericks and it worked great.

Got the High Sierra installer to run. It got stuck for 4 hours at "21 minutes remaining" at around 80% installed. I tried restarting thinking that was one of the point it was supposed to restart but didn't for some reason and now I get "boot0af: error" before i even get to the clover screen

am i screwed? I don't have another mac to make a bootable HS usb from and my keyboard (bluetooth keyboard connected via lightening cable) doesn't register until clover starts up so I can't push F keys to enter BIOS setup at all. I could potentially use my old macbook to make a Sierra bootable USB but I would need to find sierra somewhere to download and that won't do me any good if I can't get into BIOS to boot to USB

submitted by /u/r00_DVM
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