Hey, mind if I ask a couple questions? First, when in the game should i start dlc3? Im on a second cycle after clearing ending G and also already cleared the Old King boss and Ashes Reignited stuff. Im now working my way back through the game in preparation for dlc3. Also, if I miss one of Red Hood's appearances (the one in the cathedral specifically) will it lock me out of anything? She is already in the hedge area after that. Finally, what are the requirements for ending H? I'd like to get it after finishing dlc3.
I have finished the game a long time ago, so take everything I say with a grain of salt, since on only replying because no one else is.
DLC 3 is suposed to be the last thing you do on the game, like literaly, latter on it the average enemy will be as strong as DLC2's pirate invader (Captain Kidd or smth). So try to get all the other endings before (if you want to), if you are confident on killing the other superbosses (fish god and the final chaos dungeon ones) you should be ready for DLC3.
Just some tips if you haven't started it already, try to max Jabberwock (The Undead Dragon) pledge before entering the door on snowfield and be carefull with percentage% based damage on the first dlc3 area, you can get a ring that increases your protection against it somewhere there.
About Red Hood I have no idea about any other special interactions, but I'm sure it doesn't affect any of the dlc3 endings.
And, if I remember well,
I might be wrong, you need to equip Pricketts ring (The one that allows you to understand the dear girl) before engaging on the last boss to get ending H, good luck!