Jumping down circle. I think. The one where the blades come out and crumple everyone in the area. Use that as a combo opener. I 2v2 with my GF all day, I play dante she plays nariko.
That jumping down circle is a Great combo opener. I dont know how specifically to combo out of it, but i think your down triangle could be used there. Either way its a fantastic move and opens up so many combos for my dante (who has difficulty with openers).
Obv you can combo well out of down triangle in air or on ground as well.