we like it or not the new skill will be sooner or later. Although these quotations from BTS sounds very much like a minigame but you never know. Before hunter many people were making fun of those who were predicting hunter. if digsite is mentioned it's not necessarily means archeology or that rocks will only from digsite. Chairs, cups and tablets aren't most important things in construcion. there could more sections, for the skill to be not only the skill could have be named - science or whatever or something more profound. And like scopium said maybe it has something to do with so long awaited summoning. I'm still more on a mini-game prediction side, but i'd would not discard new skill possibility whatever name it will have.