Finding every hidden battery component in Horizon Zero Dawn is an essential milestone for players looking to secure the ultimate defensive advantage. These rare items are required to solve the puzzles within the Ancient Armory side quest and unlock the highly coveted Shield-Weaver outfit. Tracking down each specific ruin throughout Aloy's massive journey demands patience and careful observation during key story milestones.
Early Exploration and the Sacred Lands
The journey begins near the starting area where adult Aloy can revisit the subterranean cavern she fell into during the prologue. Navigating back into these dark ruins allows you to use your spear to smash through obstructing stalactites and reveal a hidden room. Inside this forgotten chamber sits the first power cell waiting on a dusty desk.
The second critical component is located deep within the heart of Nora territory inside All-Mother Mountain. During the aftermath of the Proving ceremony, Aloy wakes up inside this sacred mountain structure and can search the adjacent corridors. Look for a locked red door and crawl through an adjacent ventilation shaft to find the item sitting on the floor.
Climbing the Main Story Ruins
As the narrative pushes you out into the wider world, the third item appears during the Maker's End main quest line. You must scale the massive Faro automated corporate tower to the very peak where Ted Faro's office is situated. Before dropping down, turn around and climb the final metal spire to reach the highest platform where the power cell rests.
The fourth ancient battery is located within the frozen compound of The Grave-Hoard during the subsequent major campaign chapter. After solving the initial three holographic ring locks to restore power to the bunker facility, search the immediate vicinity. The item sits plainly on a supply crate along the primary path leading to the exit doors.
The Final Descent and Ancient Armory
The fifth and final component requires reaching the high-altitude ruins of GAIA Prime during the late-game mission titled The Mountain That Fell. After meeting Sylens at his workshop platform, you must abseil down the elevator shaft but intentionally divert from the primary waypoint marker. Drop down to a lower northern ledge and look for a purple-lit room containing the final prize.
Once all five ancient mechanisms are collected, return to the bunker to claim your ultimate reward. The ancient armor technology based Shield-Weaver outfit grants invincibility while charged, absorbing all incoming damage until its energy depletes. Mastering these placement puzzles completes the questline and leaves Aloy virtually unstoppable against the dangerous machines of the wild.
