The Sheikah
The shadow tribe sworn to the royal family — sometimes ninjas, sometimes archaeologists, always holding the timeline's secrets (and, eventually, its technology).
Skyward SwordShared Trunk (Before the Split)Impa serves the goddess across two eras at once — the tribe's duty predates Hyrule itself.
Ocarina of TimeShared Trunk (Before the Split)Impa of Kakariko shelters Zelda; the Sheikah's eye symbol marks every secret in the game.
Breath of the WildDistant Future (BOTW / TOTK)The tribe's ancient technology — towers, shrines, Guardians, the Slate — defines the entire era's aesthetic.
Hyrule Warriors: Age of CalamityAge of Calamity (alternate history)Sheikah tech goes to war: the what-if hinges on machines the true history buried.
Tears of the KingdomDistant Future (BOTW / TOTK)Purah's research (and Pad) carry the tribe's science forward as the Zonai past resurfaces.