You know all the IDS and 2DA files that use hex as markers? STATE.IDS is the best example. Here's a sample:
Now let's say that, for whatever reason, you want to do a StateCheck in a script for a creature with one of these States (which are always hardcoded set by an opcode). You could do a check for each one, or, you could get your handy hex calculator (built-in Windows calculator can) and... add them together, giving us
Great, right? AI mods did this ages ago to make target checking easier. But what does this have to do with kits and their restrictions? Well, if you look at KITLIST.2DA, each kit's restrictions (under the label UNUSABLE) is in hex. This means if you want to make a variant bard kit* that can't learn/cast Invocation spells, you could combine *Blade and Enchanter, giving an UNUSABLE of
This also means you can combine mage specialists, though this just restricts their spells more. The only thing to consider is that the main/starting kit is still going to have its own restrictions. For most kits, there's nothing hardcoded besides item usability. But some have little quirks like thief skills added in, so know what your starting point is.
Edited by Fiann of the Silver Hand, 01 April 2016 - 11:34 PM.