Giant Monster Manual for 5E--mistake?

I've been compiling a monster manual module for my 5E stuff that contains every NPC from every book, with all detail text, tokens, full body pics, etc.

So far I've entered in 574 NPCs, and when I export it, my FGU practically locks up for a good 30-40 seconds. The exported module is currently 115 MB, but opens in FGU within 3-4 seconds. As I'm planning to enter almost 2000 NPCs before I'm done, is there an upper limit on file size for this module that's going cause this to crash out?

I could split the MM up into core, supplements, settings, and adventures, just trying to determine if I need to start doing that instead.

I don't know where the limit is.
My Undermountain module has about 350 NPCs plus other stuff, file size 181MB.
The 1d6 Adventures Monster Compendium has over 400 NPCs. 1d6 Adventurers Monster Compendium (fantasygrounds.com)
I think you are going to run into issues with the number of images before stat blocks.

Yeah, I'm assuming the long compile time is the images getting archived. Ultimately when building adventures I would just pull the NPCs I want out of this mega-MM and rarely have it loaded when running an actual game, so as long as it will export I guess I'll keep at it. I always export it after I finish adding a source (I'm doing Rime of the Frostmaiden atm) so I guess if it ever bails I'll split them up into smaller MMs.

I doubt there is a limit except for memory. But it does take a while to export a sizeable module - especially one with a lot of large images.

I did something similar mostly to use my own npc tokens. I found that when I converted all the tokens to webp format it loads *much* faster and the module file size when way down since images make up most of the module file size.

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Originally Posted by Xorn

I've been compiling a monster manual module for my 5E stuff that contains every NPC from every book, with all detail text, tokens, full body pics, etc.

So far I've entered in 574 NPCs, and when I export it, my FGU practically locks up for a good 30-40 seconds. The exported module is currently 115 MB, but opens in FGU within 3-4 seconds. As I'm planning to enter almost 2000 NPCs before I'm done, is there an upper limit on file size for this module that's going cause this to crash out?

I could split the MM up into core, supplements, settings, and adventures, just trying to determine if I need to start doing that instead.

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Not saying you going to do this but also there is a 100MB limit on the FORGE listed items.

As an update to anyone interested, I'm up to 1500 NPCs created now. I recently exported an it took about 2 minutes to finish, but the module itself loads in like 4 seconds. I don't actually intend to keep the module open most of the time anyway, I'll drag the NPCs I want into whatever campaign I'm running and close the module after that, so I think I'll be able to fit them all. :)