Template:Fight InfoboxVersus Daemon Spade in the tenth and final battle of the Inheritance Ceremony Arc
Daemon arrives from Vendice Prison after gaining Mukuro's body. When Tsuna and the others about to attack, Chrome stops them from doing so since it would damage Mukuro's body. However, Mukuro states that if they don't fight with everything they have, they will lose everything. Convinced, Tsuna and the others assume their battle position.
Kyoya Hibari vs Daemon Spade
As the battle begins, Daemon sent Gokudera, Yamamoto, Lambo, and Julie to his illusionary universes, leaving Tsuna, Enma, Chrome, and Hibari (aside from Reborn and Mukuro in owl form) to fight him. Hibari challenges Daemon to one-on-one battle and tells Tsuna and the others to stay away. Tsuna hesitates but Reborn convinces him that Hibari has let Tsuna to fight Enma while he's watching. Daemon amuses by this and comments that Hibari is just like Alaude. Hibari attacks directly attacks Daemon but Daemon uses Koyo's Forest Flame to counters it and then uses P.Shitt's Swamp Flame to suck Hibari into swamp by using the Simon Guardians Rings that he stole from Vendice Prison. However, Hibari manages to get away and once again attacks Daemon, but his attacks is block by Daemon who's using the same Cloud Vongola Gear as Hibari did, surprising them.
Daemon reveals that he could also uses Roll and Reverse Neddle Sphere as Hibari does as he says that because it was his attribute, which Mukuro answeres as Mist. He reveals the same Earrings of the Mist that Chrome possesses, leaving Reborn comes to conclusion that the Vongola Gears are illusions. Knowing it's fake, Hibari confidently attack again and seemingly in advantage as he rapidly attacks Daemon. But Daemon turns out to using Sun Vongola Gear and uses Maximum Sunshine Counter that Hibari able to dodge, only to be revealed that Daemon misses him on purpose and traps Hibari into his illusionary world.
Tsuna turns into Hyper Dying Will Mode and flies straight to Daemon who uses Storm and Lightning Vongola Gears to attacks, catching Tsuna within explosion. But then Enma enters the battle as he says to Tsuna to beat Daemon together.
Tsunayoshi Sawada & Enma Kozato vs Daemon Spade
After Daemon reveals the truth behind the Flood of Blood incident, Tsuna and Enma flies to Daemon out of rage as Daemon uses Rain Vongola Gear to attacks. Tsuna and Enma manages to dodge the attack. Daemon summons Blizzaroids to prevent them but Enma uses Gravita Della Terra to suck up the Blizzaroids with its Gravity. Tsuna commands Natsu to Cambio Forma and uses X-Cannon on Daemon. Daemon dodges the shots but with Enma's Gravity, the blasts turns around and hits Daemon.
However, Daemon survives by using Sistema C.A.I and decides to get serious. He activate all Vongola Gears and Simon Rings, enables him to use all Six Flames of the Sky and Six Flames of the Earth at once as he multiplies himself into six. The six Daemons attacks both Tsuna and Enma, separating them to preent them coordinate their attacks. Tsuna kicks Daemons that he fights with but turned into illusions. Mukuro explains that Daemon masterfully woven his illusions into the fight. Chrome intends to assist Tusna and Enma but anther two Daemons stops her and threathenes to kill them if they interfere.
As the battle continues, Tsuna able to inflict damage to one of Daemons, but it only reduce the damage to 1/6 unless he could attack all of them at once. Hearing this, Enma sucks all six Daemon with his black holes and gathers them around him as he tells Tsuna to incinerate Daemona nd himself with all of his Flames. Tsuna refuses to kill Enma along with Daemon as he's terrifies, until Chrome jumps to Enma and creates Mist Barrier that supports by Mukuro to protect Enma from Tsuna's attack. Convinces that Enma will be save, Tsuna blasts full power of XX-Burner at Daemon.
Tsunayoshi Sawada vs Daemon Spade
Daemon turns out able to survives from XX-Burner and starts to crushes Tsuna's entire bones. Reborn intends to help him but the Vendice stops him because there's a different reason for them to stop him, angering Reborn. As Tsuna lays helplessly, Daemon about to deliver a finishing blow but at that time, Enma's Simon Ring flies and combines with Tsuna's Vongola Ring, giving Tsuna a new power to fight, the Flame of Oath and recovering Tsuna's shattered bones with Earth Flame's Gravity coating. The Vendice reveals that the rings also left by Giotto and Cozart, thus, revealing the Seventh and last Key of Giotto and Cozart's memories. After the last key was shown, Tsuna immediately overpowers Daemon and critically injured him with X-Burner.
Refuses to lose, Daemon claims that he will use his trump card. Tsuna comments that he's pitiful because his trump card will be the Vendice's Falme that he will use to run away. Daemon reveals it's true and mentions about the Eight attribute, making the Vendice tells him to shut up or they will interfere. Daemon opens the portal but Tsuna stops him with Earth Flame's Gravity Manipulation. Tsuna about to use X-Burner but stops and instead, tells Daemon to surrender and atone for his sins, angering Daemon even further.
Daemon decides to against using his trump card and surrounds himself with the Vendice Flames, deciding to end his fight with Tsuna using all of his flames. Both Tsuna and Daemon clashes each others for one last time. In the middle of it, however, Daemon abandoned Mukuro's body and about to escape using the Vendice portal. However, The Vendice destroyed the portal as only those with physical body could enter the portal, leaving Daemon defenseless and giving Tsuna opportunity to finish him.
Tsuna blasts his X-Burner one last time at Daemon's soul, directly hitting him. As Daemon's soul stumbles onto ground, something fell from Daemon's body, which turns out to be a pocketwatch and Daemon's treasure. Tsuna picks the pocketwatch and sees old photograph of Vongola Primo Family with a woman beside Daemon.
Tsuna reveals what's inside the pocketwatch and Reborn wonders who's the woman next to Daemon since he never seen her before. Daemon, who's dying, answers that the woman is Elena, his lover. Daemon reveals his past with her and his promise with Elena to protect the weak with the Vongola before she dies in his arms because of Giotto disbanded his military forces that leaving their territory to attack, which triggered him to swore to make the Vongola the strongest Family.After hearing his story, Tsuna wonders does Elena truly love the Vongola that way, angering Daemon who then questions does Tsuna understand Elena's feelings. Seeing Daemon's condition, Tsuna replies that he understands from his Hyper Intuition and says that Elena feels grateful towards him and she would say thank youas he showed his pocketwatch. As Daemon looks at the pocketwatch, he tearfully pleads for Elena's fogiveness for unable to save her back then. Daemon started to fades away quicker, at this time Reborn tells Daemon that he had lived far too long and now he could relax and go back to Elena's side. Reborn convinces him that he could leave the Vongola to Tsuna since Tsuna's not weak that he need to worry about. Daemon finally accepts Tsuna and his Family, leaving the Vongola in their hands as he dies, able to found peace.
the trapped Guardians in Daemon's illusions and the imprisoned Simon Guardians and Ryohei are frees and reunites with everyone as each of them reconciles and Mukuro returns to his own body. However, they are then interrupts by the Vendice who has one last thing to tell them.