No, Luffy is not unkillable; he can be hurt and even died temporarily, but his rubber body and Gear 5's cartoonish resilience make him incredibly difficult to defeat, leading to the perception of invincibility, though theories persist about his lifespan being shortened by past events like Ivankov's treatment.
Luffy's durability goes up depending on the form he takes, with him passing through Egghead's Frontier Dome twice, once in his Gear 4th form and again in his awakened form, though he was still damaged both times.
Luffy every time he is using his gear 5 now shortened his life span. That's why law is there to support fellow D. We also never got exact numbers on how much of his lifespan has been taken. We also dont know what his lifespan actually wouldve been without the reduction.
After the fight of luffy with the jailor at impel down, it is said that luffy has immunity towards poison but while travelling to wholcake island the poison from sea king nearly killed him.
In the Skypiea arc of One Piece, Monkey D. Luffy is the one who defeats Enel, the former 'God' of Skypiea. Luffy's rubber powers, a result of eating the Gomu Gomu no Mi, render him immune to Enel's lightning attacks, leading to Enel's defeat and the salvation of Skypiea.
Zeus' attacks being lightning-based also means certain characters can resist them without much issue, such as Monkey D. Luffy, whose body is made of insulating rubber, and Brook, who has no flesh to be harmed by electricity to begin with.
However, his true dream, revealed in Episode 1088, is something much bigger, which he wants to accomplish after becoming Pirate King. Fans speculate his ultimate dream could involve, throwing a worldwide feast where everyone—pirates, marines, civilians, minks, and more—comes together.
Luffy's lack of interest in Boa Hancock makes him immune to her Mero Mero no Mi. Luffy is immune to Enel's Goro Goro no Mi due to rubber's non-conductive nature. Magellan's Doku Doku no Mi almost killed Luffy, but Ivankov's hormones saved him and built resistance. Luffy is unstoppable.
He's rubber. Therefore without the projectile having a pointed tip, it doesn't penetrate his rubber skin. because thats how his DF Power Works. he can repel Bullets with his Rubber Body but not Swords.
Luffy is just a kid, he a boy not asexual.
We have no concrete evidence that any gear affects his lifespan.
While it was the first time many strong characters in the One Piece world saw Luffy use Haki, he had technically used it unknowingly twice before the Marineford arc: Against the bull Motobaro in Episode 389. Against the Boa Sisters at Amazon Lily in Episode 413.
It mentioned in skypeia a Sun God, Rain God, Earth God, and Forest God. We know there is a Sun God devil fruit which luffy has.
As an awakened Mythical Zoan based on a God, Luffy is afforded immense strength, speed, and durability in Gear 5 that outclass the physical enhancement granted by most Zoan powers, including awakened ones, as well as his own Gear 4.
Luffy will surpass Roger, that's 100% true, but he won't become the strongest in the verse. So many people think Blackbeard is Luffy's final opponent, but that's not true. The final war is already shown in the manga, and it's about the whole world going against the World Government.
Chopper is also immune. He has no interest in women at all, and ironically, Boa hates cute little animals like him. Luffy is basically a reverse Uno card to her powers. She fell for him, and her abilities never worked on him.
Blackbeard is the final fight, he's luffys opposite. Blackbeard has the darkness fruit and Luffy is the sun god .
Bartolomeo, an original admirer of Luffy from the time of Loguetown and onward, admires the crew in its entirety, saying he followed all of their actions and acted dumbfounded when he met Luffy and his crewmates. He refers to both of them all as '-senpai' (Mr. or Ms. in the dub).
also in impel down, ivankov shortened luffy's life by 10 years.
The "D." in One Piece (the "Will of D.") is a major, unresolved mystery, but theories suggest it represents Dawn, symbolizing a new era and liberation, or possibly Devil/Demon, linking them as enemies of the Celestial Dragons, while also often signifying bearers of grand dreams like Luffy, Roger, and Ace who possess immense willpower and destiny, often laughing in the face of death.
The rarest Devil Fruit type is the Mythical Zoan, even rarer than powerful Logias, though specific fruits like the Time-Time Fruit (Toki Toki no Mi) or the Dark-Dark Fruit (Yami Yami no Mi) are exceptionally rare due to unique properties or extremely long periods of dormancy, making them arguably the rarest individual fruits. While Mythical Zoans (like phoenixes or mythical creatures) are the scarcest category, fruits with unique, reality-bending powers or those that disappear for centuries become incredibly rare in practice.
One Piece Episode 666, titled "The End of the Match?! A Surprising Result of Block D" (or similar variations), focuses on the dramatic conclusion of the Dressrosa Colosseum's Block D tournament, revealing Rebecca as the unexpected winner after Cavendish's demonic alter ego, Hakuba, swiftly defeats all other contestants while Cavendish sleeps, and introduces Viola helping Luffy's group infiltrate the palace.