Caveat: I have not used Arbhar, Lubadh, or Nebulae, only listened to demos. I was loaned Morphagene for a while, I have used Melotus Versio, and I have various granular apps on iOS.
My sense is that there is not much overlap between 112 and Nebulae, since 112 mostly reproduces things with pristine fidelity. There are speed and direction changes, and a Frippertronics-style tape degradation effect. But not much in the way of mangling or drastic transformation.
You could probably patch much of 112 with a combination of Arbhar and Lubadh, plus several support modules (certainly not all, and it could be awkward to use). But I think you are right that 112 will add capability to your system, especially if you use it in conjunction with one or more of these other modules. You will have to decide if the cost in ā¬ and hp is worth it.
If you search the Current Sounds thread, you will find some little Ć©tudes I made with 112, three using short snippets of polished recordings by other people, and at least one I built up in real time using loop capture and overdubs with bell-like sounds from the Pizza FM oscillator.
And if you click through on the link for AndrĆ© GonƧalves (team leader) in the āAboutā section of the ADDAC website, you will reach his Bandcamp page, including an album he made during the development of 112, called Grnlr.