Oblivion is located in the room where you free Kairi's heart the second time you visit Hollown Bastion. Simply go to the platform, jump onto the sides, and walk to the back and you'll find a chest with what you need.
Riku is seen with the Oblivion when Roxas fights him at Memory's Skyscraper in Kingdom Hearts 358/2 Days. He also wields the Oblivion when Sora fights him in Hollow Bastion in Kingdom Hearts 1.
look for a oblivion gate and kill deadra that is how you get the hearts you can clone them
The Olympus Coliseum is a world that is eventually unlocked through progression of the storyline. In Kingdom Hearts, it is located in between Traverse Town and Deep Jungle. In Kingdom Hearts II, Olympus Coliseum is located right next to the Land of Dragons.
In kingdom Hearts 1, the best Keyblade is Oblivion, obtained in Hollow Bastion. In KH2, you have to synthesize it.
The Oblivion Keyblade is given to you right before entering the castle at The World That Never Was, towards the end of the game. Riku gives the Oblivion to Sora.
Magically metal in the world of Kingdom Hearts..
The Oblivion keyblade can be found in a treasure chest at hollow bastion after defeating Ansem for the first time.
Your Kingdom Hearts might be different to mine, but I think the one you're talking about is Oblivion.
There are a total of 13 floors in Kingdom Hearts Chain of Memories.
ansem does after his blade is destoryed by sora which was formed by the princesses hearts or was it kairi can;t remeber but one of them
he is marluxia, leader of castle oblivion.
If you mean keyblade as in Kingdom Hearts than I assure you that it is a mod that is installed from the internet.