Since the Torch and Trophy update makes it so reaching the last inn is an official end to a run without clearing a lair, I'm thinking that three distinct sub-categories are reasonable

Any%: Reach the last inn True Ending: Kill the Chapter Boss All Bosses: Clear out each lair

Hi, we usually talk about stuff like this on the darkest dungeon speedrun discord. You are welcome: https://discord.gg/3DV6n6K ^^