Legend of the Dragon - Season 2 - Eps 13: The Heart of the Dragon
The Emperor and his sister, the Empress, discover the location of a supremely powerful, mystical artifact known as "the Heart of the Black Dragon." However, Ang and Ling are in search of the mystical Heart of the Golden Dragon itself. With it, Ang and Ling succeed in finally obliterating the Emperor of the Darkest Ying, and break the dark Heart of the Black Dragon in the process.
About Legend of the Dragon

Title: Legend of the Dragon
First Air Date: 2006-08-06
Last Air Date: 2008-03-22
Status: Ended
Rating: 8/10 (from 8 votes)
Language: EN
Seasons: 2
Total Episodes: 39
Network: CBBC
Genres: Animation, Action & Adventure, Sci-Fi & Fantasy
Production Companies: BKN International
Synopsis
Legend of the Dragon is an animated series consisting of 26 episodes followed by 13 additional episodes for a total of 39 episodes. It is produced by BKN and premiered in October 2006 as part of the Jetix block on Toon Disney. Subsequently, the two part episode "Trial by Fire" was shown as a Jetix Blockbuster on ABC Family in August before all Jetix programming moved to Toon Disney. In the UK, the first 26 episodes have aired across CBBC. It premiered in Summer 2005 on the CBBC channel. It is unclear of whether the additional 13 episodes will be shown or not. Episodes 27–39 have begun airing in Australia on Network Ten's Toasted TV as of March 19, 2008.