Wood Release: All Creation

Hashirama uses the Bringer-of-Darkness Technique and then slams the opponent into the ground. He then plants a tree which develops into a giant tree which then dentonates, causing the opponent to turn to ashes, he then says "Do not underestimate the Hokage."

Trivia

 * Although this technique is listed as "Wood Release: All Creation", Hashirama says "Wood Release Secret Technique: All Creation".