NPC Shops

Shops in the game

Four NPCs sell items for VED from the player's wallet, and three of them also buy items back. They all use the same window and the same purchase rules. Prices differ only in the stock and in how buyback is valued.

Where they stand

• All sellers stand in the lobby. Clicking an NPC opens its shop.
• The Merchant's window is also opened by the /shop command (/sklep, /handlarz), on every server, including on an island. The other shops are available only at their NPCs.
• The lobby also has an Auctioneer (approx. x 21, y 41, z 73). It is not a shop: it opens the auction house, the same window as /ah (Auction House).
• The Alchemist looks like a female alchemist.

The shop window

The window has 6 rows. The stock fills the 4 middle rows without the outermost columns, so up to 28 entries. The bottom row consists of black panes and buttons.

An entry's description shows the price of a pack, the price of 10 packs ("Shift + click") and, if the shop buys that item back, the buyback price per piece. Nothing can be taken out of the window or put into it: every click and drag is blocked, including in the player's inventory. Only the left and right buttons work, with or without Shift; the number keys 1-9, double click and the middle button do nothing.

Purchase

1. Clicking an entry buys one pack (e.g. 16 golden apples), Shift + click buys 10 packs for 10 times the price.
2. The game checks whether all the goods will fit in the inventory (hotbar and backpack). If not: "Make room in your inventory - the purchase will not fit." and nothing happens.
3. The game takes VED from the wallet (not from the bank). Too little VED: "Not enough VED - this costs ... VED." Nothing is taken or issued.
4. After the VED is taken, the goods go to the inventory: "Bought ... for ... VED." A set with effects applies its effects immediately for 10 minutes.

• A second click during a purchase is ignored, so you cannot pay twice.
• If space runs out between the check and the handover (e.g. the player picked up an item), the excess drops at the player's feet and only the buyer can pick it up.
• If the player leaves the game after the VED is taken but before the goods are issued, the VED returns to the account.
• Shift on a set with effects gives 10 sets, but the effects apply once, for 10 minutes.

Confirmation

An entry with confirmation (today only the Farmer's pickaxe) opens a small window: the item in the middle, "Buy" on the left with the description "You will pay ... VED", "Cancel" on the right. Shift + click opens the confirmation straight away for 10 pieces for 25,000 VED. After buying or cancelling, the shop window returns.

Buyback

A shop buys items back if it has the "Sell" hopper in the corner of the window: the Merchant, Alchemist and Technician. The Farmer buys nothing.

1. After the window opens, every item in the inventory (hotbar and backpack, without armor and the off hand) that this shop will buy gets "You sell for: ... VED" in its description, for the whole stack, calculated for the whole sale at once (not per piece separately, see below).
2. Clicking such an item sells the whole stack from that slot. The item disappears immediately and the VED goes to the wallet: "Sold 64x ... for ... VED".
3. Clicking an item the shop does not buy: "This shop does not buy that." The item stays in the inventory.
4. A sale that would come to 0 VED (a very cheap material in a small amount) is rejected: "Too little to sell." The item stays in the inventory, VED does not change.
5. If the payout fails, the item returns: "Payout failed - the item is back in your inventory."
6. After the window closes, the price notes disappear.

Buyback at 50% of value (Alchemist, Technician)

VED exists only in whole units: rounding happens once, at the end, for the whole sale at once - not separately for each piece and then added up. With several pieces at once this differs from rounding each piece separately and summing (example below). An item without durability (or an unbreakable one) counts as new. The raw material value of a piece:

Valuation descends the recipe chain at most 8 levels. A recipe with a loop or too long a chain has no valuation, so the shop will not buy such a product.

What shops do not buy

• an item with a custom name or enchantments (sets with effects, the Farmer's pickaxe, keys, rewards, mob drops, enchanted tools), unless it is a blueprint product;
• a product below 100% quality without a source blueprint mark, and an item with a damaged quality mark;
• a product from an unknown blueprint and a product whose valuation comes to 0;
• minions (they have a custom name and no blueprint mark) and pets (they go to the collection);
• at the Alchemist and Technician: anything outside their stock, potions and (at the Technician) machines;
• at the Merchant: a material with price 0 in the price list.

Undoing a sale

Every sale in any shop goes to the top of the player's single queue. The bottom right corner of the window shows only the last sale: an item with the description "Sold for ... VED" and the number of sales beneath it.

1. Clicking the corner undoes the last sale. The previous one is revealed beneath it, until the queue runs out and the hopper returns.
2. The player gives back exactly as much VED as they received. The item returns with the same properties (including wear): "Sale undone: ... (-... VED)".
3. At least one free inventory slot is needed. Without it: "Make room in your inventory to undo the sale."
4. If the wallet lacks that amount, the sale stands: "You no longer have those ... VED - the sale cannot be undone."

Queue length

the last 64 sales; older ones drop out and cannot be undone

Shop

the queue is shared: a sale at the Alchemist can be undone at the Merchant and vice versa; the Farmer has no corner

Moving to another server

the queue stays (e.g. lobby <-> island)

Leaving the game

the queue is lost

Maximum age

12 h since the last sale

Merchant

The "Merchant's Shop" window: at the Merchant NPC or with the /shop command. Sets are enchanted items with custom names. A set's effects last 10 minutes from purchase. The Merchant does not buy back sets or keys; of the ordinary entries it buys back apples, diamonds, emeralds and bow arrows at the price list.

The bow comes with 64 arrows, which the Merchant buys back at 0.5 VED each (price list), i.e. 32 VED for all of them at once, less than the price of the bow (60 VED).

Crate keys

Clicking gives one key, Shift + click gives 10. The Merchant does not sell the VIP Key. What keys are for: Crates and keys.

Merchant buyback

The Merchant buys any ordinary Minecraft item, regardless of wear. A material not in the table costs 1 VED per piece in the price list. A price of 0 in the price list means the Merchant does not buy that material.

A sale that would come to 0 VED is rejected - the items stay with the player.

No buyback price is higher than the lowest price at which the same item can be bought from an NPC, so buying and selling yield no profit.

Blueprint products at the Merchant

The Merchant buys a blueprint product for the full raw material value of its recipe, regardless of quality: a product with 31% quality is worth the same as one with 100%. It values ingredients solely by its own buyback price list (not by shop prices). Quality rules: Product quality.

Alchemist

The "Alchemist" window. It sells basic potion ingredients and the brewing stand. It buys back the same items for 50% of the price, and potions for 50% of their value.

Potion value

Value is calculated per bottle. One portion of ingredients brews 3 bottles, so one third of a portion falls to each bottle.

• Ingredients are valued at the lowest price in NPC shops. A bottle costs 2 VED.
• Potions with Fermented Spider Eye are valued starting from the cheapest base potion: Harming from Poison, Slowness from Swiftness, Invisibility from Night Vision. Weakness has no wart: bottle + Fermented Spider Eye / 3.
• Water, Awkward, Mundane and Thick: the bottle and whatever was put into it.
• A potion with a custom name, enchantments or custom effects, and every potion not in the table, is not bought back.

Technician

The "Technician" window. It sells minion upgrades, fuel, machine parts and tools. It buys back its own stock for 50% of the price (taking wear into account) and machine blueprint products for 50% of the raw material value. Energy weapons are a separate topic.

Upgrades and parts

Tools

Ordinary tool crafting is blocked and there are no tool blueprints, so the Technician is their permanent source. The buyback in the table applies to a new tool; a worn one is worth proportionally less (formula).

Minion fuel

The Technician sells all three fuels that minions accept. How fuel works: Minions -> Fuel.

Prices are proportional to duration: every fuel costs the same per hour. The bonus does not affect the price (To be decided). A lava bucket does not stack, so Shift requires 10 free slots.

Machine blueprint products

Raw material value is calculated at the lowest prices in NPC shops, and an ingredient nobody sells at the Merchant's buyback price list. Product quality is irrelevant. A product the Technician itself sells is worth at most what it costs in the stock. Minions and pets from this category are not bought back.

Farmer

The "Farmer" window has one entry and buys nothing back.

The purchase requires confirmation (confirmation). Without enough VED nothing is issued. The pickaxe has a custom name and enchantments, so no shop will buy it back.

To be decided

• Merchant's armor: full set or chestplate. The contract prices a "diamond chestplate" at 700 VED, while the game gives a whole set for that price: helmet, chestplate, leggings and boots with Protection IV, Unbreaking III and Mending, plus effects. To be decided: the price of the full set or just the chestplate. Incidentally, Shift on this entry means 40 items, more than the inventory holds, so it always ends with "Make room in your inventory".
• Empty buyback price list on the islands. On the islands server the Merchant (/shop) does not see the exceptions table and pays 1 VED for every material, including diamond and arrow. A bow for 60 VED gives 64 arrows worth 64 VED there, i.e. a profit on every purchase, endlessly. Blueprint products are valued differently there than in the lobby.
• Lava cheaper than its bonus. All fuels cost the same per hour at the Technician (10 VED), but lava gives +25% speed, and coal and coal block +5%. There is no reason to buy coal. The contract said to calculate the price from duration and does not account for the bonus. To be decided: a higher lava price or the bonus included in the price.
• Shared undo queue. One queue covers all shops, so a sale at the Alchemist or Technician can be undone in the Merchant's window, also through /shop on an island. Undoing always returns exactly the amount paid out, so it gives no profit. To be decided whether it stays this way or the queue should be separate for each shop.
• Farmer's pickaxe vs the Merchant's pickaxe. The Farmer's Magic Pickaxe (2,500 VED) has the same enchantments and the same effects as the Merchant's Magic Pickaxe (400 VED). It differs only in name and description.
• Blocks in Merchant buyback. Blocks are not in the price list, so they go at the default price: Diamond Block 1 (9 x Diamond = 450), Emerald Block 1 (9 x Emerald = 360), Gold Block 1 (9 x Gold Ingot = 180), Iron Block 1 (9 x Iron Ingot = 90), Coal Block 1 (9 x Coal = 27) VED. The minion Compactor turns loot into blocks by itself.
• Potions without valuation. The Alchemist does not buy Wind Charging, Weaving, Oozing and Infestation potions because they have no valuation, nor does it sell their ingredients.
• The name in the sale message is the English name of the material, not of the item, e.g. "crafter" instead of "Incubator", "magma cream" instead of "Auto Smelter".
• Ingredients without a price. Zombie Heart and Bio Gel have neither a price nor a recipe, so they count as 0 in product valuation (Nutrient Paste, Incubator, Incubation Core).
• Trade skills. Negotiation was meant to improve NPC prices, and Commerce and Appraisal turnover and valuation. Buying and selling in shops give no points and skills do not affect prices. No formulas.