I'm a cruel person when it comes to modpacks, and something I'd love to work with is the option to enable player decay and tool corrosion in other dimensions.
That's it. Thanks!

Nasty idea. I'm adding my vote to support "Exporting" these mechanics.

Why thank you @AlexaDTink, It's something I've wanted for a while for my own modpacks, hopefully it can be integrated at some point.

Should be simple for decay. For corrosion of BL tools in other dimensions too, but we can't make other non-BL tools corrode.

Non Betweenlands tools can't corrode in other dimensions or at all?

Done.

Non Betweenlands tools can't corrode in other dimensions or at all?

At all

Additionally, if possible an option for what items/foods can be eaten to combat decay, like sap, I think that could be useful alongside this.