Ruby

Ruby is an item. It is mostly acquired for selling Coffee beans in Bourse. It is mostly used for upgrading buildings and learning character skills. Note that this page contains **only** acquisitions and uses for Ruby. For example, for crafting a certain item, additional items might be needed.

### Mostly used for:

Upgrading buildings and learning character skills.

### Overlimit experience

(not yet known)

*Decimals are rounded down to the nearest integer.*

## Acquisitions

Ruby can be acquired by:

* **Solving nonograms.**
	+ *The exact drop rate is unknown - although the bigger and more difficult the puzzle, the more likely to receive it and in greater amount.*
* **Levelling up a hero past level 25.**
	+ *1 x Ruby*
	+ *Requires Emerald tablet.*
	+ *Rewards are the same for every level past 25 (except Valor).*
* **Completing quests.**
	+ *Mosaic #1: 2 x Ruby.*
	+ *Mosaic #2: 2 x Ruby.*
	+ *Mosaic #3: 2 x Ruby.*
	+ *Mosaic #4: 2 x Ruby.*
	+ *Mosaic #5: 2 x Ruby.*
	+ *Mosaic #6: 2 x Ruby.*
	+ *Mosaic #7: 2 x Ruby.*
	+ *Mosaic #8: 2 x Ruby.*
	+ *Mosaic #9: 2 x Ruby.*
	+ *Mosaic #10: 2 x Ruby.*
	+ *Festival: 5 x Ruby.*
		- *Requires Bridge and enough storage capacity to hold 10 Fireworks.*
	+ *Festival Returns: 5 x Ruby.*
		- *Requires Airship and completion of Festival quest.*
	+ *Quest for Knowledge Chapter V: 10 x Ruby.*
		- *Requires Airship.*
	+ *Once Upon a Forest Chapter XIII: 5 x Ruby.*
		- *This chapter unlocks upon accepting Chapter XII and visiting F2?*
	+ *Treasure Island: 5 x Ruby.*
		- *This quest becomes available upon meeting a Pirate skeleton in dungeon 3A. Black pearl (artifact) must first be acquired and Spicy Odyssey (quest) must first be completed. Requires visiting Treasure Island (new Ship route) and coming back with a Treasure.*
* **Completing expeditions.** (average values)
	+ *Treasure map lvl. 4: 3 x Ruby (only rewarded if all lvl. 4 artifacts are owned).*
* **Selling items in Bourse.**
	+ *20 x Coffee beans => 1 x Ruby (Bourse section).*
		- *Maximum 4 x Ruby (4 trade/s) per cycle.*
	+ *€0.99 or $0.99 => 5 x Ruby (Watch ads, pay section).*
		- *Resets every 20 minutes.*
	+ *€1.99 or $1.99 => 15 x Ruby (Watch ads, pay section).*
		- *Resets every 20 minutes.*
	+ *€5.99 or $5.99 => 50 x Ruby (Watch ads, pay section).*
		- *Resets every 20 minutes.*
	+ *7 x Spices => 1 x Ruby (Smuggler section).*
		- *Maximum 1 x Ruby (1 trade/s) per cycle.*
	+ *7 x Pearl => 1 x Ruby (Smuggler section).*
		- *Maximum 1 x Ruby (1 trade/s) per cycle.*
	+ *15 x Tuna => 1 x Ruby (Smuggler section).*
		- *Maximum 1 x Ruby (1 trade/s) per cycle.*
	+ *10 x Honey => 1 x Ruby (Bedouin section).*
		- *Maximum 1 x Ruby (1 trade/s) per cycle.*
* **Levelling up.**
	+ *Every level that ends with a 0 (10, 20, 30, etc.), 3 x Ruby are rewarded.*
	+ *Every level that ends with a 5 (5, 15, 25, etc.), 2 x Ruby are rewarded.*
	+ *In other cases, 1 x Ruby is rewarded.*

## Uses

Ruby can be used for:

* **Upgrading buildings.**

	+ *Guild:*
		- *Level 2: 1 x Ruby*
		- *Level 3: 1 x Ruby*
		- *Level 4: 4 x Ruby*
		- *Level 5: 8 x Ruby*
	+ *Gong:*
		- *Level 1: 3 x Ruby*
	+ *Warehouse:*
		- *Level 1: 1 x Ruby*
		- *Level 2: 2 x Ruby*
		- *Level 3: 3 x Ruby*
		- *Level 4: 4 x Ruby*
		- *Level 5: 5 x Ruby*
		- *Level 6: 6 x Ruby*
		- *Level 7: 7 x Ruby*
	+ *Shop:*
		- *Level 1: 1 x Ruby*
		- *Level 2: 2 x Ruby*
		- *Level 3: 3 x Ruby*
	+ *Alchemist's Hut:*
		- *Level 1: 1 x Ruby*
		- *Level 2: 2 x Ruby*
		- *Level 3: 3 x Ruby*
		- *Level 4: 4 x Ruby*
		- *Level 5: 5 x Ruby*
		- *Level 6: 6 x Ruby*
	+ *Coffee Bonsai:*
		- *Level 1: 3 x Ruby*
		- *Level 2: 5 x Ruby*
	+ *Onsen:*
		- *Level 1: 3 x Ruby*
		- *Level 2: 5 x Ruby*
	+ *Pagoda:*
		- *Level 1: 1 x Ruby*
		- *Level 2: 2 x Ruby*
		- *Level 3: 4 x Ruby*
		- *Level 4: 6 x Ruby*
		- *Level 5: 8 x Ruby*
		- *Level 6: 10 x Ruby*
		- *Level 7: 15 x Ruby*
	+ *Workshop:*
		- *Level 1: 1 x Ruby*
		- *Level 2: 2 x Ruby*
		- *Level 3: 3 x Ruby*
		- *Level 4: 4 x Ruby*
		- *Level 5: 5 x Ruby*
	+ *Smithy:*
		- *Level 1: 1 x Ruby*
		- *Level 2: 2 x Ruby*
		- *Level 3: 4 x Ruby*
	+ *Furnace:*
		- *Level 1: 1 x Ruby*
		- *Level 2: 3 x Ruby*
		- *Level 3: 5 x Ruby*
	+ *Food Stall:*
		- *Level 1: 1 x Ruby*
		- *Level 2: 3 x Ruby*
		- *Level 3: 5 x Ruby*
	+ *Lumber Mill:*
		- *Level 1: 1 x Ruby*
		- *Level 2: 3 x Ruby*
		- *Level 3: 5 x Ruby*
	+ *Garden:*
		- *Level 1: 1 x Ruby*
		- *Level 2: 2 x Ruby*
		- *Level 3: 4 x Ruby*
	+ *Rock Garden:*
		- *Level 1: 1 x Ruby*
		- *Level 2: 2 x Ruby*
		- *Level 3: 4 x Ruby*
	+ *Outpost:*
		- *Level 1: 6 x Ruby*
		- *Level 2: 8 x Ruby*
		- *Level 3: 10 x Ruby*
	+ *Caravan:*
		- *Level 1: 5 x Ruby*
		- *Level 2: 7 x Ruby*
		- *Level 3: 9 x Ruby*
		- *Level 4: 12 x Ruby*
	+ *Bridge:*
		- *Level 1: 4 x Ruby*
	+ *Tailor:*
		- *Level 1: 4 x Ruby*
		- *Level 2: 6 x Ruby*
		- *Level 3: 8 x Ruby*
	+ *Pier:*
		- *Level 1: 3 x Ruby*
	+ *Ship:*
		- *Level 1: 3 x Ruby*
		- *Level 2: 6 x Ruby*
		- *Level 3: 9 x Ruby*
		- *Level 4: 10 x Ruby*
	+ *Field:*
		- *Level 1: 1 x Ruby*
		- *Level 2: 3 x Ruby*
	+ *Windmill:*
		- *Level 1: 1 x Ruby*
		- *Level 2: 3 x Ruby*
	+ *Dungeon:*
		- *Level 1: 1 x Ruby*
		- *Level 2: 2 x Ruby*
		- *Level 3: 3 x Ruby*
		- *Level 4: 5 x Ruby*
		- *Level 5: 7 x Ruby*
	+ *Airship:*
		- *Level 1: 10 x Ruby*
		- *Level 2: 12 x Ruby*
	+ *Chicken Coop:*
		- *Level 1: 2 x Ruby*
		- *Level 2: 3 x Ruby*
* **Researching technologies.**

	+ *Warehouse:*
		- *Stackable racks lvl. 1: 1 x Ruby*
		- *Stackable racks lvl. 2: 2 x Ruby*
		- *Stackable racks lvl. 3: 3 x Ruby*
	+ *Shop:*
		- *Pre-orders: 1 x Ruby*
		- *Glass recycling: 5 x Ruby*
	+ *Alchemist's Hut:*
		- *Greek grenade: 1 x Ruby*
		- *Synthetic fertilizer: 1 x Ruby*
		- *Potion of healing: 1 x Ruby*
		- *Potion of energy: 1 x Ruby*
		- *Potion "Berserker rage": 3 x Ruby*
		- *Potion of healing lvl. 2: 3 x Ruby*
		- *Potion "Ambrosia": 5 x Ruby*
		- *Conveyor lvl. 1: 2 x Ruby*
		- *Conveyor lvl. 2: 3 x Ruby*
		- *Galvanization: 2 x Ruby*
		- *Balm: 1 x Ruby*
		- *Potion of mental power: 1 x Ruby*
		- *Mercury: 1 x Ruby*
		- *Gold ingot: 3 x Ruby*
		- *Madness grenade: 1 x Ruby*
	+ *Airship:*
		- *Titanium longerons: 5 x Ruby*
	+ *Tailor:*
		- *Armor for a hero lvl. 1: 3 x Ruby*
		- *Armor for a hero lvl. 2: 5 x Ruby*
		- *Armor for a hero lvl. 3: 7 x Ruby*
		- *Strong stitch: 1 x Ruby*
		- *Strong rivets: 2 x Ruby*
		- *Ariadne's thread: 2 x Ruby*
		- *Bedroll: 2 x Ruby*
		- *Salamander velour: 3 x Ruby*
		- *Armor for a hero lvl. 4: 3 x Ruby*
	+ *Workshop:*
		- *Shield for a hero lvl. 1: 2 x Ruby*
		- *Shield for a hero lvl. 2: 3 x Ruby*
		- *Shield for a hero lvl. 3: 5 x Ruby*
		- *Shield for a hero lvl. 4: 5 x Ruby*
		- *Mechanism: 3 x Ruby*
		- *Mechanical spider: 5 x Ruby*
		- *Explosive mechanical spider: 2 x Ruby*
		- *Steamobile: 7 x Ruby*
		- *Strong glue: 2 x Ruby*
		- *Conveyor lvl. 1: 3 x Ruby*
		- *Conveyor lvl. 2: 5 x Ruby*
		- *Throwing net: 2 x Ruby*
	+ *Smithy:*
		- *Throwing knife (Kunai): 2 x Ruby*
		- *Sword for a hero lvl. 1: 2 x Ruby*
		- *Sword for a hero lvl. 2: 3 x Ruby*
		- *Sword for a hero lvl. 3: 5 x Ruby*
		- *Sword for a hero lvl. 4: 5 x Ruby*
		- *Gears: 5 x Ruby*
		- *Weapon grease: 2 x Ruby*
	+ *Furnace:*
		- *Meteoric Steel: 3 x Ruby*
		- *Conveyor: 2 x Ruby*
		- *Titanium parts: 3 x Ruby*
	+ *Field:*
		- *Seed drill: 2 x Ruby*
		- *Combine harvester: 4 x Ruby*
	+ *Food Stall:*
		- *Quintessence of taste: 1 x Ruby*
		- *Mayonnaise: 2 x Ruby*
		- *Mandra-Cola: 2 x Ruby*
		- *Conveyor belt sushi: 2 x Ruby*
		- *Jam: 2 x Ruby*
	+ *Garden:*
		- *Sprinkler: 6 x Ruby*
	+ *Rock Garden:*
		- *Rake: 6 x Ruby*
	+ *Outpost:*
		- *Sayonara tax: 2 x Ruby*
		- *Arsenal lvl. 1: 3 x Ruby*
		- *Arsenal lvl. 2: 5 x Ruby*
		- *Optional contracts: 3 x Ruby*
		- *Futures contracts: 5 x Ruby*
	+ *Bridge:*
		- *Koi fish: 20 x Ruby*
* **Learning ship mission types.**
	+ *Exploring: 1 x Ruby.*
	+ *Fishing: 1 x Ruby.*
	+ *Prospecting: 1 x Ruby.*
	+ *Patrolling: 1 x Ruby.*
	+ *Treasure Island: 1 x Ruby.*
* **Unlocking cities in Caravan.**
	+ *Xian (Silk): 1 x Ruby.*
	+ *Baghdad (Treasure): 1 x Ruby.*
	+ *Cairo (Dates): 1 x Ruby.*
	+ *Athens (Olive oil): 1 x Ruby.*
	+ *Rome (Glass): 1 x Ruby.*
	+ *Kyiv (Honey): 1 x Ruby.*
* **Buying items on caravan missions.**
	+ *1 x Ruby => 55 x Dinar.*
* **Unlocking cities in Airship.**
	+ *London (Gears): 1 x Ruby.*
	+ *Reykjavik (Catalyst): 1 x Ruby.*
	+ *Mexico City (Avocado): 1 x Ruby.*
	+ *New York (Blueprint): 1 x Ruby.*
	+ *Melbourne (Titanium): 1 x Ruby.*
* **Crafting craftifacts.**
	+ *Dagger: 5 x Ruby.*
	+ *Astrolabe: 10 x Ruby.*
	+ *Telescope: 5 x Ruby.*
* **Learning Haruka skills.**
	+ *Cartographer lvl. 2: 2 x Ruby.*
	+ *Cartographer lvl. 3: 4 x Ruby.*
	+ *Cartographer lvl. 4: 6 x Ruby.*
	+ *Initiative lvl. 1: 1 x Ruby.*
	+ *Initiative lvl. 2: 2 x Ruby.*
	+ *Economist lvl. 1: 1 x Ruby.*
	+ *Some more coffee! lvl. 1: 1 x Ruby.*
* **Selling it in Shop.**
	+ *1 x Ruby => 50 x Coin.*
		- *Shop lvl. 1: maximum 3 x Ruby per cycle (150 Coin limit).*
		- *Shop lvl. 3: maximum 12 x Ruby per cycle (600 Coin limit).*
		- *Pre-orders: maximum 18 x Ruby per cycle (900 Coin limit).*
* **Buying items in Bourse.**
	+ *1 x Ruby => 1 x Sword for a hero lvl. 1.*
		- *Maximum 1 x Ruby (1 trades) per cycle.*
		- Cultist section (requires: Dungeon).
	+ *1 x Ruby => 1 x Armor for a hero lvl. 1.*
		- *Maximum 1 x Ruby (1 trades) per cycle.*
		- Cultist section (requires: Dungeon).
* **Changing classes in Character.**
	+ *Warrior: 1 x Ruby.*
	+ *Wizard: 1 x Ruby.*
	+ *Rogue: 1 x Ruby.*
	+ *Monk: 2 x Ruby.*
	+ *Geologist: 2 x Ruby.*
	+ *Archaeologist: 2 x Ruby.*
	+ *Samurai: 3 x Ruby.*
	+ *Ninja: 3 x Ruby.*
	+ *Adventurer: 3 x Ruby.*
	+ *Scientist: 3 x Ruby.*
* **Learning skills in Character.**

	+ *Logistician:*
		- *Level 1: 1 x Ruby.*
		- *Level 2: 2 x Ruby.*
		- *Level 3: 3 x Ruby.*
		- *Level 4: 4 x Ruby.*
		- *Level 5: 5 x Ruby.*
	+ *Weapon Collector:*
		- *Level 1: 1 x Ruby.*
		- *Level 2: 2 x Ruby.*
		- *Level 3: 3 x Ruby.*
	+ *Treasure Hunter:*
		- *Level 1: 1 x Ruby.*
		- *Level 2: 2 x Ruby.*
		- *Level 3: 4 x Ruby.*
	+ *Athlete:*
		- *Level 1: 1 x Ruby.*
		- *Level 2: 2 x Ruby.*
		- *Level 3: 3 x Ruby.*
		- *Level 4: 4 x Ruby.*
		- *Level 5: 5 x Ruby.*
		- *Level 6: 6 x Ruby.*
	+ *Antiquarian:*
		- *Level 1: 2 x Ruby.*
		- *Level 2: 3 x Ruby.*
	+ *Intellectual:*
		- *Level 1: 2 x Ruby.*
		- *Level 2: 3 x Ruby.*
		- *Level 3: 4 x Ruby.*
	+ *Gardener:*
		- *Level 1: 2 x Ruby.*
		- *Level 2: 3 x Ruby.*
	+ *Rock Garden Contemplator:*
		- *Level 1: 2 x Ruby.*
		- *Level 2: 3 x Ruby.*
	+ *Carpenter:*
		- *Level 1: 2 x Ruby.*
		- *Level 2: 3 x Ruby.*
		- *Level 3: 4 x Ruby.*
	+ *Metallurgist:*
		- *Level 1: 2 x Ruby.*
		- *Level 2: 3 x Ruby.*
		- *Level 3: 4 x Ruby.*
	+ *Mechanic:*
		- *Level 1: 2 x Ruby.*
		- *Level 2: 3 x Ruby.*
		- *Level 3: 4 x Ruby.*
	+ *Blacksmith:*
		- *Level 1: 2 x Ruby.*
		- *Level 2: 3 x Ruby.*
		- *Level 3: 4 x Ruby.*
	+ *Alchemist:*
		- *Level 1: 2 x Ruby.*
		- *Level 2: 3 x Ruby.*
		- *Level 3: 4 x Ruby.*
	+ *Boatswain:*
		- *Level 1: 3 x Ruby.*
		- *Level 2: 4 x Ruby.*
	+ *Cameleer:*
		- *Level 1: 4 x Ruby.*
		- *Level 2: 5 x Ruby.*
	+ *Aeronaut:*
		- *Level 1: 4 x Ruby.*
		- *Level 2: 5 x Ruby.*