You might be able to give it a try with this build. I don't think they've nailed down a truly infinite Vaal skill usage like Hateforge though. I need to watch the video a few more times.
EDIT: If I understand correctly, ring plus Soul Catcher gets you 100% reduced soul gain prevention time. Soul Ripper is your souls on demand if you aren't killing anything. Master Surgeon, Nature's Boon, and/or Precision Watcher's Eye refill your flasks. Has some merit, frees up belt, gloves, curse, and timeless jewel slot while locking down another flask. Loop is perhaps a bit more fragile because it requires you hit stuff(Nature's Boon is nowhere near enough by itself).
EDIT: given how they nerfed hateforge + ballista totems, I could see them mid-league nerfing this too.