Ah, the ever-mysterious Key to Return Hearts. We have no idea what it is and yet we wonder. Most theories point to it being a Keyblade, and this theory is no different. This is a theory I've been thinking over for a while, and Everglow's unofficial English version for 2.5's final trailer has given me a reason to put this up. Mine you, this is a little long.
Namine's unspoken speech in the final trailer reads: "I'm sure the key to save everyone resides within Sora". The key word is well.. 'key'. Now, before we decide that I'm reading too much into the word "Key" (which I most likely am), "key" has been used to describe Sora before. In KH2 Yen Sid stated that Sora was the KEY that connected all the events that would result from his actions in KH2, even Goofy said that he was the "Key that connects everything". And this statement still holds true, Sora is the one who connects Roxas, Ven, Xion, Roxas, Namine, Terra and Aqua together; they all still need to be saved and Sora holds the "Key" to saving them all, to returning them. If so, then that would mean that Sora already possess the Key to Return Hearts, his mission in KH3 states otherwise.
Yen Sid is sending Sora to locate the Key to Return Hearts, as if it was in a physical location found among the worlds, like the Kingdom Key D, which Mickey found in the Realm of Darkness and the Keyblades of both Light and Darkness left at the Keyblade Graveyard. But I think the Key to Return Hearts is ACTUALLY a Keyblade of Heart, like the Keyblade created from the hearts of the Princesses, and I believe it has some properties that the Keyblade of People's Hearts possessed: it can unlock a person's heart, releasing any power kept inside that heart but does NOT turn that someone into a Heartless. Why? Because even though I think it's a Keyblade of Heart, I don't think it's made up of hearts but rather the bonds between hearts. This would make it kind of the Keyblade of People's Heart's good twin, as that Keyblade unlocked the Darkness within someone's heart which then devoured the heart it unlocked; the Key to Return Hearts would use the bonds between hearts to restore hearts lost or confined within another's heart. This is a more light-hearted ability and the heart which the Key to Return Hearts was used on would not be harmed.
So, who would be able to create and wield this Keyblade? Obviously: Sora. He is the "Key that connects everything" that holds the "key to saving everyone". Confined within him are three other hearts that have formed strong bonds and memories with those closest to them. Sora would be able to create the Key to Return Hearts by utilizing the bonds that Ven has with him, Aqua and Terra; and the bonds Xion and Roxas have with him, each other, Namine and Axel. Using their bonds and his own wishes to see them all returned, Sora can use the Key to Return Hearts to "bring back the hearts and existences of those connected to him", as Ansem the Wise said he could in 3D. Sora says that his friends are his power, and the Key to Return Hearts is his way of giving that power a physical form.
Feel free to point out any flaws in this theory, I know that it's really grasping at straws, but it's a theory on the most unknown item in KH3, which is unknown in it of itself. Plus, this took me forever to write down in a way that didn't seem like a random theory that looked the most abstract details in the KH series, which it kind of is.
Ah, the ever-mysterious Key to Return Hearts. We have no idea what it is and yet we wonder. Most theories point to it being a Keyblade, and this theory is no different. This is a theory I've been thinking over for a while, and Everglow's unofficial English version for 2.5's final trailer has given me a reason to put this up. Mine you, this is a little long.
Namine's unspoken speech in the final trailer reads: "I'm sure the key to save everyone resides within Sora". The key word is well.. 'key'. Now, before we decide that I'm reading too much into the word "Key" (which I most likely am), "key" has been used to describe Sora before. In KH2 Yen Sid stated that Sora was the KEY that connected all the events that would result from his actions in KH2, even Goofy said that he was the "Key that connects everything". And this statement still holds true, Sora is the one who connects Roxas, Ven, Xion, Roxas, Namine, Terra and Aqua together; they all still need to be saved and Sora holds the "Key" to saving them all, to returning them. If so, then that would mean that Sora already possess the Key to Return Hearts, his mission in KH3 states otherwise.
Yen Sid is sending Sora to locate the Key to Return Hearts, as if it was in a physical location found among the worlds, like the Kingdom Key D, which Mickey found in the Realm of Darkness and the Keyblades of both Light and Darkness left at the Keyblade Graveyard. But I think the Key to Return Hearts is ACTUALLY a Keyblade of Heart, like the Keyblade created from the hearts of the Princesses, and I believe it has some properties that the Keyblade of People's Hearts possessed: it can unlock a person's heart, releasing any power kept inside that heart but does NOT turn that someone into a Heartless. Why? Because even though I think it's a Keyblade of Heart, I don't think it's made up of hearts but rather the bonds between hearts. This would make it kind of the Keyblade of People's Heart's good twin, as that Keyblade unlocked the Darkness within someone's heart which then devoured the heart it unlocked; the Key to Return Hearts would use the bonds between hearts to restore hearts lost or confined within another's heart. This is a more light-hearted ability and the heart which the Key to Return Hearts was used on would not be harmed.
So, who would be able to create and wield this Keyblade? Obviously: Sora. He is the "Key that connects everything" that holds the "key to saving everyone". Confined within him are three other hearts that have formed strong bonds and memories with those closest to them. Sora would be able to create the Key to Return Hearts by utilizing the bonds that Ven has with him, Aqua and Terra; and the bonds Xion and Roxas have with him, each other, Namine and Axel. Using their bonds and his own wishes to see them all returned, Sora can use the Key to Return Hearts to "bring back the hearts and existences of those connected to him", as Ansem the Wise said he could in 3D. Sora says that his friends are his power, and the Key to Return Hearts is his way of giving that power a physical form.
Feel free to point out any flaws in this theory, I know that it's really grasping at straws, but it's a theory on the most unknown item in KH3, which is unknown in it of itself. Plus, this took me forever to write down in a way that didn't seem like a random theory that looked the most abstract details in the KH series, which it kind of is.