In the world of The Witcher, "Elder Blood" refers to a rare and powerful genetic trait found in certain individuals, particularly among the Elder Races. This bloodline is believed to possess unique magical abilities and a connection to ancient powers, making those who carry it highly sought after for their potential. One of the most notable characters associated with Elder Blood is Ciri, the adopted daughter of Geralt of Rivia. Her lineage grants her extraordinary abilities, including the power to manipulate time and space, which plays a crucial role in the overarching narrative of the series.