When you Curse Someone… (人を呪わば…, Hito o Norowaba…) is chapter 338 of the Naruto manga.
Kakuzu regards Team 7's arrival as an opportunity to get more replacement hearts. Kakashi sends Sakura and Sai to backup Shikamaru while the rest of them fight Kakuzu. Naruto, wishing to demonstrate his new technique, insists that he fight Kakuzu by himself, which Kakashi agrees to. Meanwhile, Hidan approaches Shikamaru. Shikamaru uses the explosive tags he spread around the area to stop Hidan and tie him down. He then exposes a pit beneath Hidan that he prepared earlier. As he lights a cigarette a vision of Asuma appears to him. Now avenging his teacher, Shikamaru flicks the cigarette at Hidan, detonating the explosive tags.