The Exotic Merchant will sell you various upgrades for 
blue stones, which will spawn/generate every 5 minutes while you play the game (generation cap of 300), and every 6 minutes while you are offline (generation cap of 120).
Permanent Multiplier Upgrades[]
| Name | Cost | Effect |
|---|---|---|
| Permanent Gold Multiplier | 100 per level
|
+50% Building profits per level (Max 200%) |
| Permanent Knowledge Multiplier | +50% Knowledge Earnings per level (Max 200%) |
University Timer[]
Moved from Store since version 6.0.0
You may buy University Timer reduction at the cost of 20 
red gems or 160 blue stones per 10%. Caps at 50%.
Mana Mode Skill Upgrades[]
| Name | Cost | Effect |
|---|---|---|
 Scepter of Knowledge
|
25 or 200 each
|
+300% Knowledge Production when active per level |
 Lightning Speed
|
+150% Building Speed when active per level | |
 Profit Monument
|
+100% Building profit when active per level | |
 Rune of Critical
|
+2.5% Critical chance when active per level |
Rage Mode Skill Upgrades[]
| Name | Cost | Effect |
|---|---|---|
 Magic Touch
|
25 or 200 each
|
+110% Click profits when active per level |
 Thunder Speed
|
+0.5 seconds to buildings speed when active per level | |
 Heavy Click
|
+2.5% of GPS per click when active per level | |
 Critical Wave
|
+1.5% Critical chance when active per level |
Raid Loots Upgrades[]
Moved from Store since version 6.0.0
| Name | Cost | Effect |
|---|---|---|
 Winds of Valhalla
|
25 or 200 each
|
Building Speed x300% instead of x200% |
 Mysterious Leaf of El Dorado
|
Building Profit x4500% instead of x3000% | |
 Knowledge Burst of Babylonia
|
Knowledge production x4500% instead of x3000% | |
 Artifact of Atlantis
|
Rage Mode: Click Profits x300% instead of x200% Mana Mode: Idle Bonus x300% instead of x200% Energy Mode: Skill Efficiency x300% instead of x200% | |
 Powder of Lemuria
|
Increase Critical Chance by 7.5% instead of 5% |
Gems[]
Once you have bought every upgrade, in the case of the multipliers they must be maxed, a special offer will be unlocked. You will be able to trade 5 for 1 .
Trade Raid Loots[]
Once you unlocked Champion "Valeria, The Celestial Defender" (required 3e40 diamonds), you can exchange Raid Loot at the cost of 1 .