A few things I've learned from his discord. 1) his ult playstyle with N2 walk cancel is about 50-60% better at C0 than CA. 2) Slingshot performs just as well as Aqua, save your Aqua for someone else. 3) His best set is actually Desert Pavillion, as the attack speed seems to apply to his burst. 4) he has no ER needs with Fischl