Yu-Gi-Oh! - Duel 300

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"Slifer vs. Diabound"
Title page
EnglishSlifer vs. Diabound
Japanese name
Base rōmajiTenkū Ryū Bāsasu Seirei Jū
Base translatedSky Dragon VS Spirit Beast!!
Furigana rōmajiOshirisu Bāsasu Diabaundo
Furigana translatedOsiris vs. Diabound
SubseriesYu-Gi-Oh! Millennium World
Subseries number22
Japanese magazineWeekly Shōnen Jump 2003 #17
English magazineShonen Jump
Tankōbon volume34: "The Return of Bakura"
Bunkoban volumeVolume 20
Release dates
JapaneseMarch 24, 2003[1]
Yu-Gi-Oh! chapters
Previous"Assault on the Palace!"
Next"Divine Light, Divine Shadow"

"Slifer vs. Diabound", titled "Osiris vs. Diabound" (天空竜オシリスバーサス精霊獣ディアバウンド Oshirisu bāsasu Diabaundo) in the Japanese version, is the three-hundredth chapter of the Yu-Gi-Oh! manga. The kanji in the Japanese name is normally read as Tenkū Ryū Tai Mamono!!, meaning "Sky Dragon vs. Spirit Beast!!", while the furigana make it Oshirisu Bāsasu Diabaundo!!, meaning "Osiris vs. Diabound!!".

In its first English printing, it was numbered as the twenty-second chapter of Yu-Gi-Oh! Millennium World. In the 3-in-1 edition, its number was changed to match the original Japanese printing.


Bakura smiles as he notices the pharaoh is chasing him. The pharaoh vows not to let Bakura shed innocent blood.

Yugi, Anzu, Jonouchi, Honda and Bobasa, who are asleep outside are woken up by the commotion. They then spot the pharaoh chasing Bakura on horseback, followed by Slifer the Sky Dragon.

With Diabound's new power, it can copy the abilities of enemies it defeats. It launches multiple Magic Blast attacks that it gained from the Magus of Illusion at Slifer. Slifer manages to dodge the blasts, leaving nearby buildings to take the hits. Slifer gets up close to Diabound and prepares to hit it with a Lightning Strike, but Diabound disappears into the ground and chases after the pharaoh. As Diabound is about to strike the pharaoh, Slifer quickly slips in and blasts Diabound with a Lightning Strike. Diabound is knocked back, while Bakura suffers a sudden pain to the chest as a result.

Bakura schemes on how he shall use the pharaoh's desire to protect the civilians against him. Diabound starts to fly low, putting the people of the city in massive danger of crossfire. Bakura laughs maniacally and shouts back the pharaoh, "Let's begin the killing game!!"

Featured monsters[edit]

The following monsters appeared in this chapter.

Bakura, King of Thieves

Title pages[edit]


  1. "Oda's Deep Thoughts". thegrandline.com. (release date for Weekly Shōnen Jump 2003 #17)