whatswithjeff.com: WARNING SPOILERS AHEAD - "Naruto 669 is the next exciting chapter in Naruto Shippuden Manga Series. This is really getting hotter, well literally on fire! Gai just used the final forbidden technique and opened the 8th gate, a.k.a Hachimon Tonkou No Jin. Gai is on fire now, his body is so hot that his blood is steaming out from his body. Gai is pushing his limits just to protect the people he cared, but at the expense of his own life. Can he somehow defeat Madara? Will this be the last we see Gai? Find out in Naruto chapter 669."