While the world associates Ethiopia’s mass violence with the Tigray war, a longer and largely uncounted war has devastated western Oromia—especially Wallaga—since 2018. Displacement, repeated massacres, school closures, and the collapse of health services have become a grim norm, yet the true civilian death toll remains unknown. This article explains what we know, what we still do not know, why the suffering has been under-reported, and why an independent investigation by credible human rights bodies is now urgent.