The ability to see the flow of blood of any living being. Technique of X-Ray Vision. Variation of Enhanced Vision.
- Vampiric Eyes
The user will have the ability to see all major and minor veins of any living being. The user can even see them through inanimate objects like trees, concrete, clothes, and so on.
- May need extreme focus.
- Doesn't work on non-living beings or in those who have no blood.
Cole MacGrath (inFAMOUS 2: Festival of Blood) using Vampire Sense to perceive blood vessels…
…which also allows him to discover disguised vampires, as they have no blood.
Thanks to their Byakugan, the Hyūga clan (Naruto) can perceive the chakra pathway system, essentially the chakra equivalent of blood vessels, in one's body.
Ranmaru's Dōjutsu/Visual Jutsu (Naruto)
Sasuke Uchiha using his Sharingan (Naruto) to see his blood vessels.
Boruto Uzumaki’s Jogan (Naruto/Boruto: Naruto Next Generation)