LifeMU Socket System – MU Online Season 21 Part 2-3
The Socket System bonuses have been reworked. Instead of the previous 3% Double Damage and 1% Ignore Defense, the bonuses will now be increased to 10% Double Damage and 6% Ignore Defense when all activation requirements are met.
Maximum number of Sockets per item: 5 Sockets
Maximum number of Sockets obtainable from item drops: 3 Sockets
Sphere Upgrade Rune will not be available in the Cash Shop. It will occasionally appear in selected LP Pools (in limited quantities, allowing players to accumulate LP to obtain it). Its value will be determined based on the current market price at the time each Pool is opened.
The examples below show the Socket combinations required to activate both Bonus Options.


Example: 3 Socket Items Required to Activate Both Bonus Options

1. Weapon
The weapon must contain:
- 1 Fire Seed
- 1 Lightning Seed
- 1 Ice Seed

2. Armor Items
Two armor items must contain a total of:
- 3 Water Seeds
- 3 Wind Seeds
- 3 Earth Seeds

Seed Sphere Upgrade Rate
Important: If a Seed Sphere upgrade fails, the required materials will be lost.
| Upgrade Level | Success Rate | Required Zen | Sphere Upgrade Rune |
|---|---|---|---|
| Level 1 → Level 2 | 90% | 10,000,000 Zen | 4 |
| Level 2 → Level 3 | 89% | 13,000,000 Zen | 5 |
| Level 3 → Level 4 | 89% | 16,000,000 Zen | 5 |
| Level 4 → Level 5 | 89% | 19,000,000 Zen | 5 |
| Level 5 → Level 6 | 88% | 22,000,000 Zen | 6 |
| Level 6 → Level 7 | 88% | 25,000,000 Zen | 7 |
| Level 7 → Level 8 | 88% | 28,000,000 Zen | 8 |
| Level 8 → Level 9 | 87% | 31,000,000 Zen | 9 |
| Level 9 → Level 10 | 87% | 34,000,000 Zen | 10 |













