I understand it is possible to specify XP drops with minimum of 1. But what if you want only 20% chance of XP drops? Can I use fractions?

To clarify, you want some number of XP to drop only 20% of the time?

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Yes, exactly, thank you!

Yes, it is possible.

You want to have two items in your drop list. The first item will contain the XP you want to drop, and a selector with a weight. The second item will be empty, and have a selector with a different weight.

This describes the selector and XP object: https://dropt.readthedocs.io/en/latest/json/syntax/#iruledrop

It'll be similar to the first example on this page, but instead of a dye item you'd use the XP object.

Let me know if you would like further assistance.

Thank you very much! I will close this for now, if I have further questions, I can always reopen.