At the last bit in Righteous Stand I had managed to use Kerrelian’s ability to dash straight through the map - instantly killing me. It was round the stairs that surround the front of Sigmar’s statue, maybe I hit the sweet spot on the elevation and warped straight through? So elf
Although it shows the tome being lost as I dropped it on my fall, the grimoire was also lost; so with 19% curse resistance and an extra grimoire, I had lower max health than shown.
Find attatched a panicked screenshot right before the defeated screen came up and a diagram showing roughly where I was and the angle.
I’ve only ever fell out of the map this once!