Complete Guide to Krobusโs Sewers Shop in Stardew Valley
Krobus is a shadow creature who lives in the Sewers beneath Pelican Town and operates a small shop that sells unique items not available anywhere else. His shop is the only place to buy certain essential items, including a Stardrop and various shadow-themed materials. This guide covers Krobusโs complete inventory, prices, and strategies for making the most of his shop.
How to Access the Sewers
Unlocking the Sewers
Before you can visit Krobusโs shop, you need to unlock the Sewers:
- Complete the Community Center: Finish all bundles in the Community Center, OR purchase a Joja Membership and complete all Joja Community Development projects.
- Receive the Rusty Key: After completing the above, Mayor Lewis will mail you the Rusty Key the next day.
- Enter the Sewers: Use the Rusty Key on the sewer cover located in the south of Pelican Town, near the bridge to the beach.
Sewer Navigation
- Entrance: The sewer cover is located just south of the bridge connecting Pelican Town to the beach area.
- Interior: The Sewers are a small area with waterways, a few forageable items, and Krobusโs shop.
- Safety: There are no enemies in the Sewers, making it a safe area to visit.
Krobusโs Shop Location
Where to Find the Shop
Krobusโs shop is located in the lower-right corner of the Sewers:
- Visual: Look for a small counter or stand where Krobus stands.
- Hours: The shop is open whenever Krobus is present in the Sewers.
- Krobusโs Schedule: Krobus is in the Sewers most days, but he occasionally visits other locations. Check his schedule to ensure he is available.
Complete Shop Inventory
Full Item List with Prices
Here is the complete inventory of Krobusโs shop:
Always Available Items
| Item | Price | Stock | Description |
|---|---|---|---|
| Void Essence | 40g | Unlimited | Used in crafting and recipes |
| Solar Essence | 40g | Unlimited | Used in crafting and recipes |
| Void Egg | 200g | Limited (restocks daily) | Can be hatched into a Void Chicken |
| Iridium Ore | 150g | Limited (restocks daily) | Used for smelting Iridium Bars |
| Crystal Fruit | 150g | Limited (restocks daily) | Forageable item, used in cooking |
| Refined Quartz | 50g | Limited (restocks daily) | Used in crafting recipes |
| Stardrop | 20,000g | One-time only | Permanently increases max energy by 34 |
| Wicked Statue | 1,000g | Unlimited | Decorative furniture item |
| Return Spell | 500g | Unlimited | Teleports you home (single use) |
| Dark Rune | 1,000g | Unlimited | Decorative furniture item |
| Bone Fragment | 100g | Limited (restocks daily) | Used in Bone Mill recipe |
| Tea Sapling | 1,000g | Limited (restocks occasionally) | Grows tea leaves |
Seasonal Items
Krobus occasionally stocks seasonal or special items:
| Item | Price | Availability |
|---|---|---|
| Coffee Bean | 15g | Occasionally |
| Rice Shoot | 40g | Occasionally |
| Fiber Seeds | 10g | Occasionally |
| Ancient Seeds | 30g | Rarely |
Item Details and Uses
Void Essence (40g)
Void Essence is a crafting material dropped by Shadow Brutes and Shadow Shamans in the mines. Buying from Krobus is a convenient alternative to farming:
Uses:
- Crafting: Dark Ring (1 Void Essence + 5 Iron Bar)
- Crafting: Void Ghost Pendant (1 Void Essence + 1 Battery Pack)
- Crafting: Thorns enchantment at the forge
- Gift: Loved by Krobus, liked by the Wizard
Solar Essence (40g)
Solar Essence is dropped by Serpents in the Skull Cavern and other locations:
Uses:
- Crafting: Iridium Band (5 Solar Essence + 5 Void Essence + 1 Galaxy Soul)
- Crafting: Infinity Band (at the forge)
- Gift: Liked by several NPCs
- Consumable: Can be eaten for a small energy boost
Void Egg (200g)
The Void Egg is one of the most interesting items in Krobusโs shop:
Uses:
- Hatching: Place in an incubator to hatch a Void Chicken, which produces Void Eggs daily.
- Cooking: Used in certain cooking recipes.
- Gift: Loved by Krobus.
- Mayonnaise: Can be placed in a Mayonnaise Machine to produce Void Mayonnaise.
Void Chicken Details:
| Detail | Information |
|---|---|
| Egg Production | Every day (like regular chickens) |
| Egg Type | Void Egg |
| Void Mayonnaise Value | 275g (Artisan profession: 385g) |
| Appearance | Dark purple/black chicken |
Stardrop (20,000g)
The Stardrop is the most valuable item in Krobusโs shop and one of only 7 in the game:
| Detail | Information |
|---|---|
| Price | 20,000g |
| Availability | One-time purchase only |
| Effect | Permanently increases max energy by 34 points |
| After Purchase | Disappears from shop permanently |
Strategy: Save up 20,000g and purchase the Stardrop as soon as possible. It is a permanent upgrade that pays for itself over time.
Iridium Ore (150g)
Iridium Ore is used for smelting Iridium Bars, the highest-tier metal in the game:
| Detail | Information |
|---|---|
| Smelting | 5 Iridium Ore + 1 Coal = 1 Iridium Bar (in Furnace) |
| Iridium Bar Value | 1,000g (1,250g with Blacksmith profession) |
| Uses | Tool upgrades, crafting, construction |
Buying vs. Mining: Buying Iridium Ore from Krobus at 150g each is cheaper than mining it in the Skull Cavern when you factor in time and energy costs.
Crystal Fruit (150g)
Crystal Fruit is a forageable item found in the mines during winter:
| Use | Details |
|---|---|
| Eating | Restores 25 energy |
| Wine (Keg) | Crystal Fruit Wine sells for 450g |
| Jelly (Preserves Jar) | Crystal Jelly sells for 200g |
| Gift | Liked by several NPCs |
Return Spell (500g)
The Return Spell is a single-use teleportation item:
| Detail | Information |
|---|---|
| Effect | Teleports you to your farmhouse instantly |
| Uses | 1 use only |
| Cost | 500g per use |
| Alternative | Warp Totem: Farm (costs 50 Wood, 1 Hardwood) |
Strategy: The Return Spell is useful in emergencies when you are far from home and running low on energy. Keep one in your inventory for safety.
Refined Quartz (50g)
Refined Quartz is used in several crafting recipes:
| Recipe | Refined Quartz Needed |
|---|---|
| Lightning Rod | 0 (uses metal bars) |
| Quality Sprinkler | 1 Refined Quartz |
| Iridium Sprinkler | 1 Refined Quartz |
| Slingshot | 1 Refined Quartz |
| Refined Quartz is also used in various other recipes and constructions |
Tea Sapling (1,000g)
The Tea Sapling grows into a tea bush that produces Tea Leaves:
| Detail | Information |
|---|---|
| Growth Time | 20 days to mature |
| Tea Leaf Production | Every day during the last week of each season |
| Tea Leaf Value | 10g raw |
| Green Tea (Keg) | 100g |
| Gift | Loved by some NPCs |
Pricing Strategy
What to Buy Regularly
| Item | Buy Frequency | Reason |
|---|---|---|
| Void Essence | As needed | For crafting and gifting |
| Solar Essence | As needed | For crafting and gifting |
| Iridium Ore | When needed | Cheaper than mining |
| Refined Quartz | When needed | For sprinkler crafting |
| Return Spell | Keep 1 in inventory | Emergency teleport |
What to Buy Once
| Item | Priority | Reason |
|---|---|---|
| Stardrop | High (buy ASAP) | Permanent energy upgrade |
| Void Egg | Medium | For Void Chicken breeding |
| Tea Sapling | Low | Nice to have but not essential |
What to Skip
| Item | Reason to Skip |
|---|---|
| Wicked Statue | Decorative only, no gameplay value |
| Dark Rune | Decorative only, no gameplay value |
| Bone Fragment | Can be obtained from killing enemies |
Krobus as a Character
Friendship and Gifts
Krobus is one of the few NPCs who can become your roommate (as an alternative to marriage):
| Gift Preference | Items |
|---|---|
| Loved | Void Egg, Void Mayonnaise, Pumpkin, Iridium Bar, Void Essence |
| Liked | Quartz, Wild Horseradish, Leek, Daffodil |
| Disliked | Most cooked foods, flowers |
| Hated | Wheat |
Roommate Option
If you give Krobus a Void Ghost Pendant (purchased from the Desert Trader for 200g on Fridays), he will move into your farmhouse as a roommate. See the Divorce and Roommate Guide for full details.
Tips and Strategies
Daily Routine
- Check Stock: Visit Krobus daily to check for limited-stock items like Iridium Ore and Crystal Fruit.
- Save for Stardrop: Prioritize saving 20,000g for the Stardrop purchase.
- Void Egg Investment: Buy a Void Egg early to start your Void Chicken breeding program.
Budget Planning
| Goal | Cost | Timeline |
|---|---|---|
| Stardrop | 20,000g | Save over 1-2 months |
| Void Egg | 200g | Purchase anytime |
| Regular Supplies | ~500g/week | Ongoing |
Frequently Asked Questions
Krobusโs Shop: Complete Price Analysis
Value Comparison with Other Shops
How Krobusโs prices compare to other sources:
| Item | Krobus Price | Other Source Price | Best Value |
|---|---|---|---|
| Void Essence | 40g | Mine drops (free) | Mine |
| Solar Essence | 40g | Serpent drops (free) | Mine |
| Void Egg | 200g | Raise Void Chicken (free) | Chicken |
| Iridium Ore | 150g | Skull Cavern (free) | Mine |
| Crystal Fruit | 150g | Winter foraging (free) | Forage |
| Refined Quartz | 50g | Mine drops (free) | Mine |
| Stardrop | 20,000g | Other Stardrops (various) | Krobus (guaranteed) |
| Return Spell | 500g | Warp Totem: Farm (50 Wood) | Warp Totem |
| Tea Sapling | 1,000g | Traveling Cart (varies) | Depends |
When to Buy from Krobus
| Item | Buy When | Reason |
|---|---|---|
| Void Essence | Need for crafting, low on stock | Saves mining time |
| Solar Essence | Need for crafting, low on stock | Saves Serpent hunting |
| Void Egg | Starting Void Chicken breeding | Only reliable source early game |
| Iridium Ore | Need for tool upgrades | Cheaper than time cost of mining |
| Stardrop | Have 20,000g available | Guaranteed, no RNG |
| Return Spell | No Warp Totems available | Emergency teleport |
The Sewers: Complete Guide
Sewer Environment
The Sewers are a small but important area in Stardew Valley:
- Visual Design: Dark, damp corridors with green-tinted water.
- Atmosphere: Eerie but safe (no enemies).
- Lighting: Dim, requiring careful navigation.
- Music: Unique ambient music.
Sewer Forageable Items
The Sewers occasionally spawn forageable items:
| Item | Spawn Rate | Value | Use |
|---|---|---|---|
| Void Essence | Common | 40g (sell), crafting | Crafting material |
| Solar Essence | Uncommon | 40g (sell), crafting | Crafting material |
| Crystal Fruit | Rare | 150g (sell), cooking | Cooking ingredient |
| Cave Carrot | Rare | 25g (sell), cooking | Cooking ingredient |
Sewer Fishing
The Sewers contain a unique fishing spot:
| Fish | Difficulty | Season | Value |
|---|---|---|---|
| Catfish | Medium | All | 200g |
| Mutant Carp | Hard | All | 700g |
Mutant Carp: The Mutant Carp is a legendary fish that can only be caught in the Sewers. It is one of the five legendary fish in the game and is required for the Master Angler achievement.
Catching the Mutant Carp
The Mutant Carp is challenging to catch:
- Location: Sewers fishing spot only.
- Season: All seasons.
- Time: Any time.
- Weather: Any weather.
- Difficulty: 5 stars (very hard).
- Strategy: Use Iridium Rod with Trap Bobber and bait. Eat Dish oโ The Sea for fishing buff.
Krobus: Complete Character Guide
Friendship Timeline
Building friendship with Krobus follows the standard pattern:
| Hearts | Milestone | Unlocked |
|---|---|---|
| 2 hearts | Learn basic dialogue | Sewers access |
| 4 hearts | Learn personal details | Sewers access |
| 6 hearts | Learn about shadow people | Sewers access |
| 8 hearts | Deep friendship | Sewers access |
| 10 hearts | Maximum friendship | Void Ghost Pendant available |
Krobusโs Daily Schedule
| Time | Location | Activity |
|---|---|---|
| 6:00 AM | Sewers | Wakes up |
| 8:00 AM | Sewers | Opens shop |
| 12:00 PM | Sewers | Lunch break |
| 5:00 PM | Sewers | Closes shop |
| 7:00 PM | Sewers | Evening activities |
| 10:00 PM | Sewers | Goes to bed |
Note: Krobus rarely leaves the Sewers, making him one of the easiest NPCs to find and gift.
Krobusโs Unique Dialogue
Krobus has some of the most interesting dialogue in the game:
- On Shadow People: โWe shadow people have our own culture and traditions. Weโre not so different from you surface dwellers.โ
- On the Sewers: โThe Sewers are peaceful. I enjoy the quiet down here.โ
- On Friendship: โI appreciate your company. Not many surface dwellers take the time to visit.โ
- On the Surface: โThe surface world is too bright for my taste, but I enjoy visiting sometimes.โ
Krobus and the Wizard
Krobus has a complicated relationship with the Wizard:
- The Wizard studies shadow creatures and occasionally visits the Sewers.
- Krobus is wary of the Wizardโs intentions.
- Their relationship adds depth to the gameโs lore.
- Some Secret Notes hint at their shared history.
Void Chicken Breeding Guide
Starting a Void Chicken Flock
- Buy a Void Egg: Purchase from Krobus (200g) or find one.
- Place in Incubator: Put the Void Egg in an incubator in a Big Coop or Deluxe Coop.
- Hatch: The egg hatches into a Void Chicken after a few days.
- Raise: The Void Chicken produces Void Eggs daily.
Void Chicken Production
| Product | Production Rate | Value |
|---|---|---|
| Void Egg | 1 per day | 200g (raw) |
| Void Mayonnaise | 1 per day (with Mayonnaise Machine) | 275g (raw) |
| Void Mayonnaise (Artisan) | 1 per day | 385g (with Artisan profession) |
Void Chicken vs. Regular Chicken
| Factor | Regular Chicken | Void Chicken |
|---|---|---|
| Egg Value | 50g | 200g |
| Mayonnaise Value | 190g | 275g |
| Appearance | White/brown | Dark purple |
| Availability | Purchase from Marnie | Hatch from Void Egg |
| Incubation Time | Same | Same |
| Happiness | Same mechanics | Same mechanics |
The Stardrop: Investment Analysis
ROI Calculation
The Stardrop costs 20,000g and provides +34 max energy permanently:
- Extra Energy Value: 34 energy per day x 365 days = 12,410 extra energy per year.
- Energy-to-Gold Ratio: If each energy unit is worth ~5g in productivity, that is ~62,050g in value per year.
- Payback Period: Less than 4 months of gameplay.
Priority Compared to Other 20,000g Purchases
| Purchase | Cost | Long-Term Value | Recommendation |
|---|---|---|---|
| Stardrop | 20,000g | Permanent energy boost | Buy immediately |
| Iridium Band | 10 Qi Gems | Combat improvement | Buy when available |
| Hopper Recipe | 10 Qi Gems | Time savings | Buy when available |
| Auto-Grabber Recipe | 10 Qi Gems | Time savings | Buy when available |
Does Krobusโs shop restock every day? Limited-stock items restock daily. Always-available items like Void Essence and Solar Essence are always in stock.
Can I buy multiple Stardrops from Krobus? No, the Stardrop is a one-time purchase. After buying it, it will never appear in his shop again.
Is the Void Chicken worth raising? Yes, Void Chickens produce Void Eggs daily, which can be made into Void Mayonnaise (275g base). With the Artisan profession, Void Mayonnaise sells for 385g, making it a profitable investment.
Does Krobus leave the Sewers? Krobus occasionally visits other locations, but he is in the Sewers most days. If he is not there, check back the next day.
Can I sell items to Krobus? No, Krobusโs shop is buy-only. You cannot sell items to him.