As Franky describes it, a Klabautermann is a ship's spirit, or incarnation, due to it being loved or cared for. This spirit performs repairs on itself as Usopp watches in shock.

Did this actually happen or not?

The ghost of the Going Merry repairs itself on Skypeia.

While Luffy does leave, he passes his "Lucy" disguise onto Sabo. Sabo then wins the fruit and becomes its new wielder.

Luffy leaves the colosseum tournament prematurely on Dressrosa, losing out on Ace's Flame-Flame fruit.

Corazon steals the fruit for Law and force-feeds it to him to save him.

Trafalgar Law finds the Op-Op fruit on his own and eats it, healing his Amber Lead Syndrome.

Shanks shows up shortly after Blackbeard to end the war. Blackbeard was there to kill Whitebeard and steal his Tremor-Tremor fruit.

Blackbeard shows up at Marineford during the Summit War, then soon after that, the war ends.

Sakazuki (Akainu) and Kuzan (Aokiji) fight on Punk Hazard. The clash of their respective magma powers and ice powers leaves the island in the state that it is.

Two Navy Admirals face off against each other for 10 days, leaving an entire island both on fire and frozen over.

Zoro simply states to Sanji that nothing happened.

After their intense battle with Kuma on Thriller Bark, Sanji finds a bloodied Zoro, and Zoro then explains what happened to him.

Zoro doesn't receive Yubashiri and Kitetsu III until Loguetown, after they defeat Arlong and leave the Conomi Islands.

In Arlong Park, Zoro delivers the final blow to Hatchan using both Yubashiri and Kitetsu III.

In the manga and live action, Zeff cuts off his own leg after giving Sanji all of their food. In the anime, Zeff loses it in the wreckage trying to rescue Sanji.

Sanji uses a kitchen knife to cut off Zeff's leg to eat while they're stranded on a rock.

The Franky Nipple Lights help to illuminate the crew's surroundings, even 7,000 meters under the sea where no light exists.

Franky uses his nipples to aid in the Straw Hats' descent to Fish-Man Island.

The Straw Hats hold up their fists with the letter X on the arm to signify their friendship silently, as openly declaring it could be bad for her as a princess with Marines around.

When Vivi asks the Straw Hats if they're still friends, the crew simply leaves, because she already knows that they're all friends.

Luffy takes down 50,000 pirates with just his conqueror's haki alone.

On Fish-Man Island, Luffy uses his Gum Gum Jet Gatling to take down 50,000 of the New Fish-Man Pirates before the real fight even begins.

She was given a Viking funeral after being deemed too unsafe to sail anymore. It was a truly sad moment as she was not only their ship, but a beloved crew member as well. R.I.P. Merry.

The Going Merry is set ablaze while it's crew watches on with tears in their eyes.

I'm going to describe a scene from the show, and you're going to tell me if it actually happened or not. Ready?