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1. So, what have you decided regarding composite artifacts? (I'm talking about those that combine into a single uber-artifact) Will it occupy all the slots that its components occupied, or will it only take up one slot? In my opinion, if the new artifact occupies only one slot, and not all the slots that its components occupied (which, in my view, is more logical – after all, it now represents a single whole), then we need to somehow change the cumulative properties – that is, the option:
artifact#1 + artifact#2 + ... + artifact#n = artifactTOTAL + additional set effect
is a bad option for the reason described by Nargott – that is, here we definitely need to either reduce the cumulative result or change the properties (the final artifact will gain new properties but lose some of the properties of the basic artifacts).
On the other hand, we can present this as a set property, that is, we collect the entire set and do not receive any new useful properties on top, but we gain the ability to combine artifacts into one, thereby freeing up slots – we can make this an individual feature for one or two sets.
If we make it so that the resulting uber-artifact occupies all the slots that its components occupied, then there will be little difference from what we have in the game now (unless, of course, combining into one artifact is reversible).
2. Regarding compatibility: there is a proposal to make a fourth mod – this mod will not, like other mods, introduce multiple changes to the gameplay, but will supplement the game with new content (this will already be similar to an add-on). That is, I propose releasing a mod that will include NCF, NHF, and NAF.
Added 9 minutes later
And another question – what limitations exist regarding new artifact effects (for example, no matter how hard we try, we cannot create abilities for units, but we can only give/take away existing ones in the game)? Everything here is tied to scripts, and we can create things that did not exist before (this is visible in the screenshots), but are there any specific limitations?
Added 11 minutes later
PS: And what are those four stones from the movie "The Fifth Element" you have? :D (in the screenshot)