DebugPoint published a tutorial showing you how to recover Arch Linux install via chroot.

How to Recover Arch Linux Install via chroot And Extract Data

This quick guide explains some of the steps which may come in handy to recover an Arch Linux Install. Being a rolling release, sometimes things breaks in Arch Linux. Not because of your own actions, but hundreds of other reasons such as new Kernel vs your hardware, or software compatibility.

How to Recover Arch Linux Install via chroot And Extract Data