One of the new puzzle types you can come across throughout your adventure in the new Sumeru region is the stone pillar seal. You’ll come across a handful of them as you explore the region, and in the Legends of the Stone Lock quest, one of your tasks will be to destroy these pillars.
Basically, these stone pillars seal a Ruin monster, and your task will also include defeating those monsters. Let’s have a look at how you can do this.
Legends of the Stone Lock Guide in Genshin Impact
You will find a total of 16 stone pillar seals scattered all throughout Sumeru. Some of them can be on ground level whereas others are found underground. Specifically, 11 of these pillars are on ground level and the remaining 5 are within caves.
To start, you want to head over to the Pardis Dhyai underground cave. You can find the entrance to this cave in this location:
Once you get there, simply drop down to find a small lake with the entrance to the cave. Here, you will come across a puzzle that you need to solve in order to enter the underground cave. You can check out our guide on How to Unlock Pardis Dhyai Underground Cave Puzzle for the walkthrough.
Stone Lock #1
After unlocking the Phantasmal gate, continue moving forward until you come across a huge hole. At the bottom is a sealed Ruin Grader, and you can find three stone pillars that connect to it. You need to hit the pillars with a Fire attack to destroy them.
When all three pillars are destroyed, it will release the seal on the monster. After that, you’ll then have to defeat it.
Stone Lock #2
For the second stone lock, you want to head over to this location:
When you get there, you’ll see a Ruin Drake, and to unseal let, you need to hit the lower stone pillar with a Pyro attack. Meanwhile, you’ll see a sprouting branch nearby. Play the Rhythm of the Sprout to summon the Dendroganum.
Then, fire at the Dendro rock to reveal the stone pillar, after which you can then destroy it using a Pyro attack. Kill the Ruin Drake afterward.
Stone Lock #3
The third stone lock will be in this location:
You’ll find several Dendro rocks here which you need to destroy by summoning Dendroganum first. Then, shot at the pillars with a Pyro attack then defeat the Ruin Drake after.
Stone Lock #4
For the fourth stone lock, head over to this location:
Once you get there, you just have to hit the pillars with a Pyro attack and defeat the Ruin Guard after.
Stone Lock #5
The fifth stone lock is in the Ruins of Dahri as you can see in this image:
As with the other stone pillars, you need to hit them with a Pyro attack and then defeat the Ruin Drake afterward.
Stone Lock #6
Head over to this location on the map:
The same step as the previous stone lock applies.
Stone Lock #7
You can find the next stone lock in this location:
There, you need to hit four stone pillars using Pyro attack. After that, you then need to defeat the sealed Ruin Scout.
Stone Lock #8
Go to this location on the map:
The same step for stone lock #6 applies.
Stone Lock #9
Head over to this location:
The same step for the previous stone lock applies.
Stone Lock #10
For this one, you need to hit 4 pillars and defeat the Ruin Hunter.
Stone Lock #11
This one is near Devantaka Mountain as indicated in this location:
The steps are similar for stone lock #10, except that you’ll be fighting against the Ruin Grader for this one.
Stone Lock #12
Here, you need to hit 3 pillars with a Pyro attack and then defeat the Ruin Scout shortly after.
Stone Lock #13
This one is located northwest of Pardis Dhyai. Here, you need to hit 3 stone pillars and defeat the Ruin Defender afterward.
Stone Lock #14
This one is on top of Chatrakam Cove, and the steps involved are similar to the previous stone lock.
Stone Lock #15
This one is just right next to the Statue of the Seven, and you’ll have to hit 4 pillars and fight the Ruin Defender after.
Stone Lock #16
The last one on the list, this one needs a bit of parkour since the sealed monster is at the top of a hill. For this one, you need to hit 3 pillars and defeat the Ruin Hunter monster.
Once you have finally managed to destroy all 16 stone locks, you will then get the achievement “Now Let Time Resume”. Then, you want to head over to the cavern that Aradashan mentioned.
You just have to follow the quest marker, and you’ll eventually come across the Perpetual Mechanical Array boss. As with the other monsters, you need to hit the stone pillars first with Pyro attack before you can start the fight.
Brought into the world of gaming by the time he was 10, Argie knew that gaming will bring him countless hours of fun, a thing that has never changed even up to this day. His passion for games is apparent in the articles he write, and as an expert in the genre, being able to share what he's learned, discovered, and accomplished to his fellow gamers is such an amazing opportunity.