Ancient's Pledge runeword
Ancient's Pledge is a Diablo 2 Resurrected runeword created by combining ral + ort + tal into a 3 socket shield. It requires at least level 21 to equip.
All runes for Ancient's Pledge can be obtained from the act 5 quest, Rescue on Mount Arreat.
It's a very popular shield to make at the end on Normal difficulty, because of its high resistances bonus. It's often used throughout Nightmare and Hell difficulty, until better options become available.
Did you know? It takes on average 6.5 countess runs on Nightmare difficulty to get this runeword.