<Tr> <Td_colspan="3"> Gajeel tells Levy to use her magic to make oxygen for their drowning guildmates while he continues to battle Torafuzar . The demon hardens his body to neutralize Gajeel's attacks while Gajeel and Levy begin to succumb to Torafuzar's poison . However, Gajeel uses the carbon - rich water to furbish his iron body into steel, which cuts through Torafuzar's defenses and defeats him . Tempester attacks Gajeel after he is left weakened from the fight, but Laxus comes to Gajeel's rescue and faces Tempester in a rematch . </Td> </Tr> <Tr> <Th> 256 </Th> <Td> "Tartaros Chapter--Final Duels" "Tarutarosu - hen: Saigo no Ikkiuchi" (冥府 の 門 (タルタロス) 編 最後 の 一騎 討ち) </Td> <Td> October 24, 2015 </Td> </Tr> <Tr> <Td_colspan="3"> Despite his ailing condition from their previous encounter, Laxus fights and defeats Tempester . The demon's blood spills onto Laxus's coat, which he gives to Gajeel to deliver to Porlyusica and create an antidote for himself, the Raijin Tribe, and Yajima . Mortally wounded, Tempester once again turns into toxic mist to kill the wizards, but Gray arrives and freezes the mist with his new demon - slaying magic before his friends can be contaminated . Meanwhile, Erza and her allies reach the main control room to find Kyôka and Seilah successfully activating Face using Crawford's corpse . Mirajane comes and takes Seilah down, leaving Erza to face Kyôka before the bombs detonate . </Td> </Tr> <Tr> <Th> 257 </Th> <Td> "Tartaros Chapter--Wings of Despair" "Tarutarosu - hen: Zetsubō no Tsubasa" (冥府 の 門 (タルタロス) 編 絶望 の 翼) </Td> <Td> October 31, 2015 </Td> </Tr>

What episode of fairy tail does the tartarus arc start