supposedly clumps overwrites xp code (and so does mc dungeons)
so there would need to be compatability between these mods.

see similar issue posted to mc dungeons armors mod's github
chronosacaria/MCDungeonsArmors#47

hmm... well i've been testing and atleast when i had both mc dungeons and clumps the xp dropped never changed. But i have not tried with only clumps on...

Hey, @jklw10, Globox can correct me if I am wrong, but, at least from MCDW's and MCDA's side of things, we don't overwrite anything having to do with the XP code. We make use of the Vanilla XP orbs for any of the abilities that use them. Judging by what I've seen with RpgDifficulty's code, it looks like this mod increases the amount of orbs dropped, but does not overwrite any XP code either. The issue may be the same issue that we're experiencing with chronosacaria/MCDungeonsArmors#47, which is that Clumps coverts all of the XP orbs in an area into a different kind of entity. We (the devs of MCDW and MCDA) are working with the developer of Clumps to see if there is anything that we can do to alleviate this issue, but trust me when I say that the issue is almost certainly not on RpgDifficulty's end

Would be great if you can test it :)

This issue was resolved on MCDA and MCDW's end with the following commits and will be released in the next update:
MCDA: chronosacaria/MCDungeonsArmors@780f1fc
MCDW: chronosacaria/MCDungeonsWeapons@e293f8e