Life Stream Dragon (character)

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Life Stream Dragon
Life Stream Dragon
Corresponding card
English name
  • Life Stream Dragon
Japanese name
RōmajiRaifu Sutorīmu Doragon
  • Male
OrganizationSigner Dragons
Anime debut
Appears in
AnimeYu-Gi-Oh! 5D's
Life Stream Dragon (character)

Life Stream Dragon is a servant of the Crimson Dragon, commonly referred to as Signer Dragons.

Leo is the Signer associated with this Dragon, although prior to this, he owned this card's mechanized form, known as "Power Tool Dragon".


Life Stream Dragon is a largely orange, brown, and tan-skinned dragon. Its head, forearms, shoulders, chest and most of its legs are covered in thick orange skin. Its belly and membranes are tan; the rest of its skin is brown. The claws on Life Stream Dragon's right hand are thick, cylindrical, and red. On its left arm, it has a large drill-like claw protruding from a large red section larger than its forelimb. Life Stream Dragon has a serpentine torso, with bulky limbs, and two wings that split into four a quarter of the way along the bone.

The armored shell of "Power Tool Dragon" is a brighter orange in color, with steel, ribbed sections covering the brown portions of the body. The wings are covered by plane-like wing sections, and the "drill" by a mechanical one. The right hand is a large blue shovel. The head is mouth-less, with glowed red eyes.



5,000 years ago, Life Stream served the Crimson Dragon and fought alongside him and the Signer Dragons in the ancient battle against the Earthbound Immortals. It was not present during an earlier battle against Red Nova, and instead "Black-Winged Dragon" was.

Dark Signers[edit]

Leo believed "Power Tool Dragon" to be the Fifth Dragon, and mistakenly believed himself to be the Fifth Signer after asking Luna if "Power Tool Dragon" took part in the ancient battle between the Signer Dragons and the Earthbound Immortals. Luna replied that maybe he did, but only just to make him happy; she didn't think he was the same Dragon, since such a high-tech robotic dragon couldn't have taken part in the ancient battle. However Leo was later proven to be correct about Power Tool Dragon.

As "Power Tool Dragon", it seemed to emit, on the surface, no signs that it was anything other than a normal Synchro Monster. Individuals such as Sayer, Devack, and Lester all failed to sense any significance in it when it was Summoned. However, there were times when it seemed to show emotion when Leo was hurt.

Divine Temple[edit]

In episode 142, in the three-on-one duel against Aporia, Life Stream Dragon finally appeared after Leo awakens as the sixth Signer. This happened as Leo asked the Crimson Dragon to lend him his power to protect Luna. He then tuned "Power Tool Dragon" with "Morphtronic Lantron" to Synchro Summon "Life Stream Dragon". During the Synchro Summon process, the Crimson Dragon appeared in order to enable Life Stream to be unlocked from its Machine form. It broke through the armor of "Power Tool Dragon", suggesting that its high-tech implants served as an outer shell and that it was not fully mechanical.


  • Prior to its name being revealed, Life Stream Dragon had appeared in the fourth Yu-Gi-Oh! 5D's opening theme "BELIEVE IN NEXUS" and the second and forth ending themes; "CROSS GAME" and "Close to you".