Powerful artifacts are objects that hold significant historical, cultural, or mystical importance. They often possess unique qualities or abilities that can influence events or people. Examples include the Holy Grail, believed to grant eternal life, and the One Ring from J.R.R. Tolkien's works, which can control other rings of power. These artifacts are frequently central to myths, legends, and stories, symbolizing the quest for knowledge, power, or enlightenment. They can be found in various cultures, such as the Spear of Destiny, which is said to have the power to control the fate of nations, or the Philosopher's Stone, associated with alchemy and immortality.