Engineering is the Racial Crafting skill for players of the Zumi race, used to create a variety of knick-knacks that provide temporary buffs or special effects. Some engineering products are exclusively usable by the Zumi race.
Overview
Gathering materials
Materials for jewel fusion can be gathered using gardening gloves, pickaxes, and crystal balls in Guild Towns. The tools can be purchased from Phio, Ri, and Aidey in the northeastern part of Aven.
Researching and unlocking new products
To unlock engineering products, you must first gain mastery in its corresponding base material. To gain experience in a base material, simply craft some; a set amount of resources will be consumed, and a random amount of mastery experience will be awarded in the corresponding bar. When the bar fills up, click "Learn" and you will now be able to engineer one of several products. Note that you will not need to gain mastery of the products once more; only base materials have mastery bars.
Forgetting products
Unhappy with the product that you're able to craft? You can click "Forget" to reset your progress and get another shot at unlocking the one that you want. Your mastery of the corresponding patch will be reset, and you will have to re-master it before having another chance at learning your desired product.
List of Engineering Products
Base materials
| Product | Stats | Lv to Craft | Craft Cost | EXP to Mastery | Materials | |
|---|---|---|---|---|---|---|
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Metal Patch | 30 | 50 
|
200 |    | |
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Precise Element | 40 | 100
|
350 | | |
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Automatic Enhancement | 50 | 200
|
500 | | |
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Atomic Energy Axel | 60 | 300
|
650 |    | |
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Spark Board | 60 | 400
|
651 |  | |
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Continuum Cube | 70 | 500
|
800 |  | |
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Super Battery | 70 | 600
|
801 |    | |
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Falling Star Diamond | 85 | 800
|
1101 |   | |
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Lost Engineering Rack | 90 | 800
|
1250 |   | |
Level 30: Patches
| Product | Stats | Lv to Craft | Craft Cost | EXP to Mastery | Materials | |
|---|---|---|---|---|---|---|
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Destruction Patch | Within the next 2 hours, increase Destroyer's effect of decreaseing EVA and DMG by 20% and last for 2 more seconds. | 30 | 500
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Strike Patch | Within the next 2 hours, increase Encourage's effect of increasing STR by 20% and last for 6 more seconds. | 30 | 500
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Sniper Patch | Within the next 2 hours, increase Eagle's effect of increasing ACC and ATK SPD by +20% and last for 6 more seconds. | 30 | 500
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Storm Patch | Within the next 2 hours, increase Tornado's effect of increasing DMG by 12%. | 30 | 500
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Frozen Patch | Within the next 2 hours, increase Winter Chill's effect additional DMG by 20% and last for 2 more seconds. | 30 | 500
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Level 40: Precise Element
| Product | Stats | Lv to Craft | Craft Cost | EXP to Mastery | Materials | |
|---|---|---|---|---|---|---|
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Invisibility Cloak | Goes into invisible mode for 60 seconds, DMG doubles when hit. | 40 | 1 
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Rocket Boot | Move SPD +30% for 10 seconds. | 40 | 1
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Electromagnetic Shield | Block +10% for 30 seconds. | 40 | 1
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Wave Sensor | Parry +10% for 30 seconds. | 40 | 1
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Evasion Cloak | EVA +10% for 30 seconds. | 40 | 1
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Level 50: Automatic Enhancement
| Product | Stats | Lv to Craft | Craft Cost | EXP to Mastery | Materials | |
|---|---|---|---|---|---|---|
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Aven Teleport Device | 50 | 2
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Fluctuwave Device | 50 | 2
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Asbee Crystal Polymerizer | 50 | 2
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War Stone Polymerizer | 50 | 2
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Eternal Coin Mold | 50 | 2
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Level 60: Atomic Energy Axel
| Product | Stats | Lv to Craft | Craft Cost | EXP to Mastery | Materials | |
|---|---|---|---|---|---|---|
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Enhanced Invisibility Cloak | Invisible for 60 seconds. | 60 | 3
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Enhanced Rocket Boot | Move SPD +50% for 10 seconds. | 60 | 3
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Enhanced Electromagnetic Shield | Block +20% for 30 seconds. | 60 | 3
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Enhanced Wave Sensor | Parry +20% for 30 seconds. | 60 | 3
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Enhanced Evasion Cloak | EVA +20% for 30 seconds. | 60 | 3
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Level 65: Spark Board
| Product | Stats | Lv to Craft | Craft Cost | EXP to Mastery | Materials | |
|---|---|---|---|---|---|---|
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Steam Core | 60 | 4
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Premium Safety Stone | 60 | 4
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Premium Lucky Safety Stone | 60 | 4
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Alpaca DNA Modification Formula | Click the Fusion icon to open the Fusion Window. | 60 | 4
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Steam Locomotive | Move SPD +40% while mounted. | 60 | 4
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Level 70: Continuum Cube
| Product | Stats | Lv to Craft | Craft Cost | EXP to Mastery | Materials | |
|---|---|---|---|---|---|---|
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Wonder Pocket | 70 | 5
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Super Fertilizer | 70 | 5
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Avian Amazement | 70 | 5
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Firework | 70 | 5
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Super Speed Device | Increases Move SPD +30% for friendly targets within 30 feet | 70 | 5
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Level 70: Super Battery
| Product | Stats | Lv to Craft | Craft Cost | EXP to Mastery | Materials | |
|---|---|---|---|---|---|---|
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Vitality Enhancer | Increases HP and MP +5% | 70 | 6
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Super Engine Set | Click the Fusion icon to open the Fusion Window. | 70 | 6
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Eden Crystal Fragment Fuser | 70 | 6
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Zumi Flying Propeller | Turns into Zumi Flying Propeller. Shrinks targets. | 70 | 6
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Light Beam Gun | Enlarges 200% | 70 | 6
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Level 80: Optical Sensor
| Product | Stats | Lv to Craft | Craft Cost | EXP to Mastery | Materials | |
|---|---|---|---|---|---|---|
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Birthday Billboard | After use, you can wish a player happy birthday once. | 80 | 7
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Announcement Billboard | After use, you can admit your feelings for a player once. | 80 | 7
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Smoke Bomb | 80 | 7
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Twist of Fate Tool | 80 | 7
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Minibot 5000 | Summon: Tiger, Ancient Call, and Wicked Pact. Any creature the Hunter Eagle summons will be changed into Minibot 5000. | 80 | 7
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Level 85: Falling Star Diamond
| Product | Stats | Lv to Craft | Craft Cost | EXP to Mastery | Materials | |
|---|---|---|---|---|---|---|
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Engineer Potion | All DMG causes combo hits, consuming -15% HP every 3 seconds. When HP drops below 15%, the effect will disappear automatically. Warning: You may be temporarily unhealable after use. |
85 | 8
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Poisonous Powder | Body size -60% | 85 | 8
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Remote Control Dice | 85 | 8
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Fourth Dimension Bag | 85 | 8
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Happy Powder | Move SPD +80% | 85 | 8
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Level 90: Lost Engineering Rack
| Product | Stats | Lv to Craft | Craft Cost | EXP to Mastery | Materials | |
|---|---|---|---|---|---|---|
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General Mechanical Loricae | While wearing this mechanized armor, you can jump swiftly. (This effect will be removed if the player goes out of bounds.) | 90 | 9
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Arch Iron Robot I | Move SPD +30% while mounted. | 90 | 9
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Mousetrap | Places a trap. Any enemy who triggers the trap will be immobilized for 10 sec. Not effective on Boss Monsters. Trap will remain in place for 30 sec. |
90 | 9
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Landmine | Places a trap. Any enemy who triggers the trap will receive ongoing DMG. Trap will remain in place for 30 sec. |
90 | 9
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High Quality Pet Upgrade Food | 90 | 9
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