It is explained later, it was outdated by 2018. On the japanese version it was white due to japan's censorship. They had to alter the story a bit to fit that. Red blood is the correct color for the time period the game takes place and it's advancements.
In the trailers and promotional materials for Metal Gear Rising: Revengeance, there were blood stains that were red in color, implying that Raiden was utilizing a more natural-looking substitute. This was confirmed in an optional Codec conversation with Doktor in File R-03.
After his corruption, starting in MK11, Raiden now creates red electricity. The color of his lightning attacks can change color based on which shader is selected in his guest appearance in Injustice 2. His default shader retains the original blue lightning.
The biggest nod to that is how Raiden looks. His normally white eyes and lightning are now a blood red, signifying that he is evil. The official MK 11 press release describes the cinematic trailer that includes " two iconic characters, Dark Raiden and Scorpion.."
Raiden - Wikipedia
works with the Special Forces, Kotal Kahn, and past versions of his allies to defeat Kronika, only to learn that the Elder Gods had been killed. As a result, Raiden slowly gives into his dark impulses and uses Shinnok's amulet to empower himself like his future self did.
Once it was done, Raiden was seemingly betrayed by Snake and handed over to Olga Gurlukovich, but later learned it was a ruse so Snake could sneak on board.
However, Rising: Revengeance takes a different route because Raiden doesn't deny that he enjoys killing. Instead, Raiden's "Jack the Ripper" persona comes out.
As a prisoner, the Patriots used Raiden as a test subject for experiments in exoskeletal enhancement surgery, during which he had his head and spine excised from his body from his lower jaw down and subsequently grafted into an enhanced synthetic body.
The real reason why Raiden was called "Snake" is because he represents the player having taken the role of Solid Snake in previous games/VR missions/Tanker Chapter.
When Onaga, Raiden releases his godly essence, resulting in an enormous explosion that kills the alliance, but fails to harm Onaga. Raiden's essence soon gathers again in Earthrealm, albeit corrupted and reformed into a darker variant of himself.
Although not an eyepatch, Raiden utilized a cloth to cover his missing left eye, after a fight with Samuel Rodrigues resulted in his eye being injured and amputated, and because a cybernetic replacement eye wasn't fully created prior to his surgery, in 2018.
Because Raiden was a new character, the staff designed him carefully, giving him white hair to symbolize his introduction.
On the japanese version it was white due to japan's censorship. They had to alter the story a bit to fit that. Red blood is the correct color for the time period the game takes place and it's advancements.
Rose and Raiden finally decided to reconcile, and began their relationship anew as a family.
This alarmed Raiden and he crouched into a defensive stance that caused Doktor some concern regarding his spiked heart rate. As Raiden redirected his attention back to Mistral, he noticed that she had disappeared. Raiden remarked that he was okay and that he simply "dodged a bullet."
Raiden's blood is an older type of artificial blood that was used by the military called white blood. After it's been in use for a while, the blood needs to be dialyzed, filtered.
Raiden is a gender-neutral name of Japanese origin.
After escaping, Raiden covertly left Sunny in the care of Solid Snake and Otacon, who raised her aboard the Nomad. Having been used by the Patriots as a computer programmer, she became a child prodigy, helping to build both Metal Gear Mk.
Raijin, also called Raiden or Raiden-sama, the god of thunder and lightning in Japanese mythology.
Although Raiden's head from the mouth-up was still flesh, the lower jaw was cybernetic, resulting in a skull-like appearance.
Raiden takes damage from conventional weapons if they're powerful enough. He's fast but not fast enough to dodge nukes and even without nukes, being tagged by tank shells would cripple him if he slipped up even a few times.
Raiden most definitely has Anti-Social Personality Disorder.
Even though George was severely injured because Raiden had to cut through him, Raiden used the cryopreserver in the facility to save George's life. In the end, part of George's body became cybernetic.
Raiden is a god, therefore, he is immortal. In Shinnok's case, it is stated that he cannot be killed because he's a god. He could have his head lopped off and dropped in the Netherrealm, but he won't die.
Best teams to defeat Raiden Shogun weekly boss in Genshin Impact. The best team to defeat Raiden Shogun in Genshin Impact must have at least one Electro character that breaks the remembrance flower, a strong pair of damage dealers like Ganyu, Xiao, Hu Tao, Itto, Diluc, Ayaka, or Eula, and finally, a healer/shielder.