Omg, I am so oldschool.
Up untill now, when I broke the boot I always flashed an #Arch image to pendrive, booted from it mounted proper partitions and fixed the mess.
From now on I am using the netboot ipxe.efi.
https://wiki.archlinux.org/title/Netboot#UEFI
#TIL #CanNotFindAnyPenDrive #WelcomeTo21stCetury