Six Paths: Shinra Tenkyō

Both Naruto and Sasuke use the chakra of the nine tailed beasts to enhance their power; with former manifesting his three-headed Tailed Beast Mode while forming the Six Paths: Ultra-Big Ball Rasenshuriken, and the latter manifesting his enhanced his Complete Body — Susanoo while forming Indra's Arrow. They fire off their techniques simultaneously at the target, resulting in a cataclysmic explosion.

Trivia

 * The explosion of this technique is identical to the clash of the same two techniques from Naruto and Sasuke's final battle in chapter #697.