Amaterasu (Naruto) vs Zanka no Tachi (Bleach) vs Natsu Dragneel (Fairy Tail)

Its a battle of the flames and the strongest flame eater.

Round 1: Who wins against the other? Amaterasu or Zanka no Tachi.

Round 2: Can Natsu Dragneel consume Amaterasu or Zanka no Tachi.