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Genshin Impact: How to defeat the Perpetual Mechanical Array

Find out how to defeat the World Boss

Perpetual Mechanical Array is a World Boss in Genshin Impact, which can be found on Jinren Island in Inazuma. Jinren Island is north of Narukami Main Island. In the 2.0 Inazuma update, Perpetual Mechanical Array and Maguu Kenki are the two bosses who deal physical damage. It is speculated that the Perpetual Mechanical Array was actually four individual machines that came together to form a hive mind. This guide will help players defeat the Perpetual Mechanical Array in Genshin Impact.

How to reach the Perpetual Mechanical Array World Boss in Genshin Impact

To reach the boss, you should use a portal on the very top of Jinren Island. There is an Electrogranum mechanism right under the portal, which you can use to get there.

Genshin Impact defeat Perpetual Mechanical Array
Portal on the top of Jinren Island

The other way to reach there is by completing the Sacred Sakura Cleansing Ritual World Quest, which will unlock a Teleport Waypoint near the boss.

Description in the Adventurer Handbook

A strange, alien machine. They say that it is a war machine left behind by a nation that has already been destroyed. Composed of several different parts, it can adapt to its combat environment and employ a variety of attacks. This machine, comprised of cubic shapes, is on some level very much like the elemental hypostases.

How to defeat the Perpetual Mechanical Array World Boss in Genshin Impact

The boss is as powerful as other elementary hypostases and uses various attacks. However, most of them are easily dodgeable. There are two attacks that can deal a ton of damage, and it is advised to be careful of those. One is a Laser Attack that will follow the player and deal a lot of damage. Before it initiates these attacks, it takes some time to charge. In the other attack, the boss will go up in the air and target the player before slamming down on them.

Genshin Impact defeat Perpetual Mechanical Array
Perpetual Mechanical Array Boss

After a certain time, the boss will take on the Defensive Mode regardless of the damage done to it. It will form an invulnerable shield and summon four Ruin Sentinels. One of the Sentinels will have glowing runes on them and the HP bar, that’s the one players have to defeat in order to end the boss’s Defensive Mode. Other Sentinels can’t be damaged. However, attacking their weak points at certain times will disable them for a bit.

Genshin Impact defeat Perpetual Mechanical Array
Ruin Sentinels with the World Boss

A useful strategy to use against these Sentinels is to use Frozen Reaction, since they share the boss’s level, they are quite powerful, and they can overwhelm the player with heavy attacks. Once the Defensive Mode ends, the boss’s main body becomes vulnerable. However if the player is unable to defeat it in its weakened state, then the Sentinels rejoin the main body to become complete again. The respawn time for the Perpetual Mechanical Array is 3 minutes.


The boss mainly drops the Perpetual Heart, which is a Character Ascension Material. Along with Prithiva Topaz Gemstone and Shivada Jade Gemstone, these gemstones are quite rare. However, the smaller variants of these which are chunks drop quite frequently. There is a hidden achievement that can be obtained by not defeating the Sentinels in the Defensive Mode. The boss will get out of its Defensive Mode on its own after some time. However, it won’t be stunned and will be in complete form. This may take a while, so take your shields and healing characters.

That’s all for today’s guide about how to defeat the Perpetual Mechanical Array in Genshin Impact! Let us know your opinions in the comment section below!

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