Eldin Sunstrider is a blood elven blood mage. Although he is obviously part of the Sunstrider dynasty, not much else is known about him. He cannot be found in World of Warcraft.
Eldin Sunstrider was one of the random generated Blood Mages from Warcraft III.
This article or section includes speculation, observations or opinions possibly supported by lore or by Blizzard officials. It should not be taken as representing official lore.
Perhaps experiments done by Eldin Sunstrider resulted in the creation of Eldinarcus.