The Law of Boundaries
Last updated 2026-02-27
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The Law of Boundaries is a World Quest in Starfell Valley, Mondstadt.
Steps
- Go to the Crafting Bench in Mondstadt
- Go to Windrise
- Defeat the
Eye of the Storm - Go to Springvale
- Go to the Crafting Bench in Mondstadt
- Brew the potion
- Talk to Sucrose
- Go to Dragonspine
- Defeat the overgrown Whopperflower
- Talk to Sucrose
Gameplay Notes
- During step 3 and 9, the player will enter a Special Story Mode, and Sucrose joins the party as a Trial Character.
Trial Character
| WL | Character & Weapon |
Talents & Artifacts | Attributes |
|---|---|---|---|
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8 |
  Lv. 90 C3 Sucrose Lv. 90 R1 Sacrificial Fragments |
|
 Max HP: 15,801 ATK: 1,069 DEF: 929 Elemental Mastery: 698 Crit Rate: 33.0% Crit DMG: 112.9% Energy Recharge: 192.6% DMG Bonus: 39.0% |
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9 |
Lv. 90 C3 Sucrose Lv. 90 R3 Sacrificial Fragments |
|
Max HP: 17,650 ATK: 1,193 DEF: 1,070 Elemental Mastery: 698 Crit Rate: 33.0% Crit DMG: 112.9% Energy Recharge: 192.6% DMG Bonus: 39.0% |
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Dialogue
Quest DescriptionSucrose is working on a new alchemical potion, but no matter how she tweaks the formula, it never comes out right...
- (Approach Sucrose)
- Sucrose: Hmm... Given previous results, I should make a few adjustments to the experiment, and ensure that the materials and equipment are all in order...
- Sucrose: As for the potion I need to make... Oh, (Traveler), Paimon! What brings you here?
- Paimon: We're here to help with your "task." We wanted to see if you could use some extra hands...
- Sucrose: My "task"... Oh, you mean the one Mr. Albedo told me about? The one from the Hexenzirkel?
- Sucrose: Well, you're just in time. The experiment is ongoing, and I was just about to work on it.
- Paimon: Ongoing? So, you've been working on it all this time?
- Sucrose: Yes. It aligns with other research topics I've been working on, so it hasn't been too much extra work.
- Sucrose: Still...
- Paimon: What? Is there a problem with the experiment?
- Sucrose: I've been "unsuccessful" so far.
- Paimon: Oh, so it keeps failing, huh...
- Sucrose: It's not as simple as just "failing." The whole theoretical framework behind this task is a bit more complicated than I imagined...
So, what's this task exactly...- Paimon: Oh, right! You still haven't told us what kind of experiment it is.
- Sucrose: One meant to develop a potion that can transform Sweet Flowers into a variant 16 times its normal size.
- Sucrose: That is to say, the formulation of "Botanical Augmentation Reagent Type IV, Iteration VII" — as you can probably guess, this is my seventh time running the experiment.
- Paimon: Wow! So, basically, we need to make growth serum! Or, the seventh version of one.
- Sucrose: W—Well, yeah... That's about right.
- Sucrose: This is my seventh attempt, but I didn't make many adjustments to the formula this time, because both the theoretical principles behind this experiment and the products of the process prove there's nothing wrong with it.
- Paimon: But you haven't "succeeded" yet, right?
- Sucrose: Yes. I'm thinking that it's not my current formula that is wrong, per se, but rather... Some other key element is missing.
- Paimon: Ohhh... Hehe, then Paimon knows just what to do!
- Let us help!
- Paimon: Yeah! We came here to do just that, after all!
- Perhaps we could try adding a little essence of Paimon.
- Paimon: Hehe, well that's why we're helping ou— Wait a second, Paimon is NOT an ingredient!
- Sucrose: Um, we could try, it's just... I would need to adjust the ratios in the original formula, and that might make the potion even more unstable...
- Paimon: No, we are NOT trying that! Just show us the original!
- Sucrose: Here it is.
- Sucrose: That said, I'm still missing two ingredients.
- Paimon: Now that we can help with. What do we need to get?
- Sucrose: I need spring water from Springvale to use as the base, as well as Eye of the Storm fragments... But, that last one could be tricky.
- Paimon: We've got this! Let's go!
- (After the cutscene)
- Sucrose: Let's tackle the Eye of the Storm first.
- (After defeating the Eye of the Storm at Windrise)
- Paimon: Alright, that's the first ingredient done!
- Sucrose: Wow, you two work fast! That step usually takes me forever...
- Sucrose: We can get the spring water down there...
- (After fetching the water from the spring in Springvale)
- Sucrose: The high quality of Springvale's waters makes for a stable potion-making ingredient.
- Paimon: That's all we needed, right?
- Sucrose: Yes. Let's head back.
- (Approach the Crafting Bench in Mondstadt City)
- Sucrose: Alright, the ingredients are ready, and the cauldron is just over there, so we should be good to go. But, um...
- Paimon: Is something wrong?
- Sucrose: No, no. It's just... Do you mind if I watch from the side? Just for the purposes of accurate recording, I mean...
- Sucrose: I know lots of people don't like being scrutinized during experiments, so...
- That's no problem at all.
- Sucrose: Thanks. Then, I'm ready to go whenever you are. I'll make sure to take detailed notes, too.
- Sucrose: So, are you ready to start the experiment?
- Yep, let's go.
- Let me look at the formula again...
- (Talk to Sucrose again after choosing to look at the formula again, optional)
- Sucrose: ...Ready to start the experiment, (Traveler)? Don't worry, I'll document everything.
- (Interact with the Cauldron)
Place ingredients and cover more area to increase the Tuning Rate for this concoction. When the Tuning Rate reaches 100% or higher, you can concoct the potion and receive the finished product.
Each time you concoct a potion, there will be squares on which ingredients may be stacked within the cauldron.
With Sucrose's help, you can stack ingredients on up to 5 squares when concocting a potion.
Each ingredient has a different tendency, which affects the overall tendency of the finished potion. Craft the specified potion to complete the assessment.
- (After successfully concocting the potion)
- Sucrose: That's it... Your execution was perfect.
- Paimon: Really?
- Sucrose: Yes, I don't see any flaws in the brewing at all... Let me extract some and test the product's composition. One moment...
- Sucrose extracts some of the potion and uses a device to examine its composition...
- Sucrose: Yes, like I said — flawless execution. The potion is perfect. It's exactly what I was expecting.
- Paimon: So, was the seventh time the charm?
- Sucrose: Upon examination, it seems identical to the previous six iterations.
- Paimon: Oh... Wouldn't that make the results identical?
- Sucrose: Not necessarily. Experimental outcomes can differ even with similar variables all around. You never know what the result will be — that's what makes experiments valuable in the first place.
- Sucrose: Come, let's test this thing out. I planted some Sweet Flowers beforehand which we can use.
- Sucrose: We just need to douse them with the potion and see what happens.
- (Approach the marked location in Dragonspine)
- Paimon: Alright, we poured the growth serum on the flowers... Is that all we need to do?
- Sucrose: Yep. The flowers need to fully absorb the potion, so it might take some time before we see a reaction.
- Paimon: What happens then?
- Sucrose: The flowers will grow in size while maintaining their original appearance. But then, when they reach 12 to 14 times their normal size, this will prove more than they can bear...
- Sucrose: As if some upper limit has been reached, they will wither and rot, assuming unnatural forms until nothing is left of them but liquid.
- Paimon: Wait, what? So there's a problem with the growth serum, then!
- Sucrose: No. I've adjusted the formula time and again, resolving all kinds of issues that arise when inducing small plants to grow larger.
- Sucrose: Issues like... ensuring that the leaves don't get too large, strengthening root diameter and load-bearing capacity, calculating how the increase in surface area might affect sunlight exposure and nutrition...
- Paimon: So why isn't it working, then?
- Sucrose: Because the flowers cannot transcend... "As above, so below" is one of alchemy's guiding principles. Alchemy seeks mastery over matter, but this world has its limits.
- Sucrose: It's like... a "specification" etched into the law that governs all things. Part of the purpose of doing multiple experiments is to determine if this "specification" is stable.
- So, "failure" is also a viable result...
- Sucrose: Exactly. It proves that the limit "continues to exist."
- Paimon: Okay, this is all a bit over Paimon's head, but basically... You needed the experiment to fail to prove that the limits and borders in this world are stable?
- Paimon: What a weird experiment... Huh? Looks like one of the flowers is reacting!
- Paimon: Wait a second... That's not a Sweet Flower at all!
- Sucrose: Careful! I—It's a Whopperflower! It must have absorbed some of the potion. Wait. But that's happened before, and it's never gotten this big, either. Can this mean...?
- Paimon: We can talk about this later. Let's get rid of it first!
- (After defeating the Whopperflower)
- Paimon: Phew, we did it. Even at that size, a Whopperflower is just a Whopperflower.
- Sucrose: ...Hmm.
- Paimon: But, uh... was it supposed to get that big?
- Sucrose: I could only make a rough estimate during the battle, but it looked at least... 16 times its original size, maybe even larger.
- Sucrose: This means that the experiment... worked.
- Paimon: Wait, but isn't that a good thing?
- Sucrose: I'm still not sure what the implications are... But if further attempts succeed in reproducing this result...
- Sucrose: That means that something's different... Perhaps the limits and laws of this world are changing due to some unknown factor...
- Sucrose: I can't say if that's good or bad, but from an alchemical perspective at least, expanded boundaries means that more possibilities are now open to us.
- Sucrose: Either way, this brings my task to an end.
- Paimon: Seems so...
- Sucrose: Hmm. That said, it could also be an effect of the person who made the potion. There could also have been something special about this particular Whopperflower...
- Sucrose: There's a lot that still needs to be confirmed, so I suppose this task opens the way for further questions...
- Paimon: Well, we're here if you ever need some help!
- Could we try using that growth serum on Paimon?
- Paimon: Hehe, just think about it... Paimon could probably beat a whole gang of Treasure Hoarders to a pulp if she were 16 times bigger!
- Sucrose: I have my doubts. The only reason the serum worked on the Whopperflower was because its internal structure was similar enough to a Sweet Flower... If you drank some...
- Sucrose: You might become 16 times bigger, but you might also turn into a plant-based lifeform.
- Paimon: Yeah, nope. That's not happening, then...
- Paimon: Oh, by the way, Paimon wanted to ask... Why is all your research focused on things like Sweet Flowers and Sunsettias?
- Sucrose: Oh, that's simple. Both Sunsettias and Sweet Flower nectar taste sweet.
- Sucrose: So, in that sense, accidentally making a Whopperflower 16 times bigger comes with a hidden benefit, because Whopperflower Nectar...
- Paimon: ...Tastes exactly like Sweet Flowers?
- Sucrose: That's right! Once I've extracted the sugar from the nectar, I'll give you some.
- Paimon: Hehe, you got it!
Other Languages
| Language | Official Name | Literal Meaning |
|---|---|---|
| English | The Law of Boundaries | — |
| Chinese (Simplified) | 界限的法则 | |
| Chinese (Traditional) | 界限的法則 | |
| Japanese | 限界の法則 | |
| Korean | 한계의 법칙 Han'gyeui Beopchik | |
| Spanish | La ley de los límites | |
| French | La loi des frontières | The Law of Boundaries |
| Russian | Закон границ Zakon granits | |
| Thai | กฎเกณฑ์แห่งขีดจำกัด | |
| Vietnamese | Quy Tắc Của Giới Hạn | |
| German | Das Gesetz der Grenzen | The Law of Boundaries |
| Indonesian | Hukum Batasan | |
| Portuguese | A Lei dos Limites | |
| Turkish | Sınırların Kanunu | |
| Italian | La legge dei confini |
Change History
Released in Version "Luna III"