[@Kho]

See this post: https://www.roleplayerguild.com/posts/4538990

It's pretty vague about what happened up until the very end. After the Realta fill the Mahd with ash and scorch Vetros, Heru shows up with the King's Law and then Ventus pulls up in the Celestial Citadel and the Realta are scattered. Ventus then leaves to go deal with some of the nearby Acayla. By the time Heru got there, Akthanos was dead.

This leaves you with a pretty big deal of freedom to narrate everything up until that point from Yara's perspective. I can khollab it with you from Akthanos' view if you like. It's been ages since we stitched together a khollab from the corpse of brevity and reanimated it with our necromantic powers.