The Socket System allows players to enhance weapons, armors, and accessories using Seed Spheres that grant additional options and elemental powers. Below, you’ll find the required items and step-by-step process to create them.
NPC Seed Master
![]() Seed Master Location: Elbeland (45, 242) |
The Seed Master is the NPC responsible for the entire Socket System in MU Online. Through this NPC, players can create Seeds and Seed Spheres — the essential components used to add socket options to your items.
You can find the Seed Master in Elbeland at coordinates (45, 242). Here, you can perform various combinations using Excellent and Ancient items along with jewels such as Jewel of Chaos and Jewel of Creation. The Seed Master offers several combination options:
This NPC is essential to unlocking the potential of socket items, granting additional attack, defense, and support bonuses. |
Socket System – First Stage
Seed Types
Seeds provide additional elemental attributes within the Socket System of MU Online. Each type grants unique bonuses related to attack, defense, or support. Below you can see the different Seed options:
Fire Seed
- Increases Attack Power Damage (+20)
- Increases Attack Speed (+7)
- Increases Maximum Attack Damage (+30)
- Increases Minimum Attack Damage (+20)
- Increases Overall Attack Damage (+20)
- Reduces AG Consumption (+40%)
Ice Seed
- HP increases when killing a monster (+HP/8)
- Mana increases when killing a monster (+Mana/8)
- Increases Skill Damage (+25)
- Increases Attack Success Rate (+37)
- Increases Item Durability (+30%)
Lightning Seed
- Increases Excellent Damage (+15)
- Increases Excellent Damage Chance (+10%)
- Increases Critical Damage (+30)
- Increases Critical Damage Chance (+8%)
Wind Seed
- Increases Automatic HP Recovery (+8)
- Increases Maximum HP (+4%)
- Increases Maximum Mana (+4%)
- Increases Automatic Mana Recovery (+7)
- Increases AG (+25)
- Increases AG Value (+3)
Water Seed
- Increases Defense Success Rate (+10%)
- Increases Defense (+30)
- Increases Shield Defense (+7%)
- Reduces Damage Taken (+4%)
- Reflects Damage (+5%)
Earth Seed
- Increases Strength (+30)
Required Items to Create a Seed
To create a Seed, gather the following items:

Excellent Item +4
x1

Ancient Item +4
x1

Jewel of Harmony
x1

Jewel of Creation
x1

Jewel of Chaos
x1
1,000,000
How to Create a Seed
- Go to the Seed Master NPC in Elbeland (45, 242).
- Select the option “Seed Extraction.”
- Insert the required items: Excellent +4, Ancient +4, Jewel of Harmony, Jewel of Creation, and Jewel of Chaos.
- Click on Extraction to begin the process.
- If successful, you will receive a random Seed (Fire, Water, Wind, Earth, Ice, or Lightning).
Success Rate: The success chance depends on the level and additional attributes of the Excellent and Ancient items used, with a maximum success rate of 90%.
Socket System – Second Stage
How to Create a Seed Sphere
After creating a Seed, you must combine it with an empty Sphere to obtain a Seed Sphere:

Seed
x1

Empty Sphere
(Mono / Di / Tri / Tetra / Penta)

Jewel of Creation
x1

Jewel of Chaos
x1
1,000,000
Result: You will obtain a Seed Sphere (Lv1) matching the element of the Seed used.
Steps to Create a Seed Sphere
- Talk to the Seed Master NPC in Elbeland (45, 242).
- Select “Seed Sphere Assembly.”
- Insert the following items:
- 1 Seed of the desired element.
- 1 Sphere (any level).
- 1 Jewel of Creation.
- 1 Jewel of Chaos.
- 1,000,000 Zen.
- Click Assembly and confirm to start the combination.
- If successful, you’ll receive a Seed Sphere corresponding to the Seed element and Sphere level used.
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