OSBOURNE & JERRIDON
Osbourne & Jerridon manage the Harmony System, allowing players to grant, reroll, remove, and enhance Harmony Options on eligible equipment.
Unlike the classic MU Online system, where Osbourne and Jerridon are separate NPCs and equipment can only receive a single Yellow Harmony Option, the EX Season Harmony System combines both NPCs into a single interface and supports 1 to 3 Harmony Option combinations with color-based option values.
NPC INFORMATION
| NPC | Location |
|---|
| Osbourne & Jerridon | Aida 1 (86, 12) |
HARMONY SYSTEM
The Harmony System grants powerful bonus options to equipment using the Jewel of Harmony. Eligible items can receive up to three Harmony Options, making equipment customization more flexible than the classic Harmony system.
HARMONY OPTION COLORS
| Color | Option Value |
|---|
| White | Minimum |
| Blue | Medium |
| Purple | Maximum |
GRANT HARMONY OPTIONS
Grant Harmony Options to eligible equipment.
COMBINATION REQUIREMENTS
| Requirement | Details |
|---|
| Equipment Level | +9 or higher |
| Required Material | Jewel of Harmony |
| Accepted Equipment | Equipment only |
| Not Accepted | Normal Items |
FEATURES
| Feature | Details |
|---|
| Harmony Options | Grants between 1 up to 3 Harmony Options. |
| Maximum Color | Purple |
| Rerolling | Click Grant repeatedly to reroll Harmony Options without removing the item from the NPC window. |
| Material Consumption | Each reroll consumes 1 Jewel of Harmony. |
| Confirmation | Click Confirm Option once the desired Harmony Options have been obtained. |
| Option Replacement | Existing Harmony Options can be replaced directly without removing. |
REMOVE HARMONY OPTIONS
Remove all Harmony Options from equipment.
COMBINATION REQUIREMENTS
| Requirement | Details |
|---|
| Required Equipment | Equipment with Harmony Options |
| Required Material | Higher Refining Stone |
RESULT
| Feature | Details |
|---|
| Removal | Permanently removes all Harmony Options from the equipment. |
CRAFT REFINING STONE
Convert equipment into Refining Stones.
COMBINATION REQUIREMENTS
| Requirement | Details |
|---|
| Equipment | +4 or higher Normal or Excellent Equipment |
RESULT
| Result | Details |
|---|
| Output | Higher Refining Stone from Excellent while Lower Refining stone from Normal Items |
| Consumption | The equipment used for removing the Harmony Option and Applyin the Harmony Bonus Option. |
REFINING STONE
Refining Stones are used to remove Harmony Options and unlock Harmony Bonus Options.
REQUIREMENTS
| Requirement | Details |
|---|
| Equipment Level | +9 or higher |
| Harmony Values | Three Harmony Options |
| Allowed Colors | Blue and/or Purple only |
| Not Allowed | White Harmony Values |
Note: Any combination of three Blue and Purple Harmony values is accepted (such as 3 Blue, 3 Purple, 2 Blue + 1 Purple, or 2 Purple + 1 Blue). White Harmony values is not eligible.
HARMONY OPTIONS
ARMOR SETS
| Available Harmony Options |
|---|
| Defense Increase |
| Maximum AG Increase |
| Maximum HP Increase |
| Maximum MP Increase |
| Automatic Life Recovery Increase |
| Automatic Mana Recovery Increase |
| Damage Reduction Increase |
| Item Durability Increase |
WEAPONS
| Available Harmony Options |
|---|
| Strength Increase |
| Agility Increase |
| Energy Increase |
| Attack Success Rate Increase |
| Attack Power Increase |
| Critical Damage Increase |
| Excellent Damage Increase |
| Skill Attack Power Increase |
| Item Durability Increase |
REFINING STONE BONUS OPTIONS
ARMOR SETS
| Bonus Option | Maximum Value |
|---|
| Required Strength/Agility Reduction | +50 |
AVAILABLE VALUES
WEAPONS
| Bonus Option | Maximum Value |
|---|
| Required Strength/Agility Reduction | +40 |
AVAILABLE VALUES
IMPORTANT NOTES
| Topic | Details |
|---|
| Classic Harmony Migration | Equipment migrated from Season 6 with the original Yellow Single Harmony Option permanently retains that option until modified. Once processed through Osbourne & Jerridon, the original Yellow Harmony Option is permanently removed and replaced with the new EX Season Harmony Options. |
| Harmony Value Upgrade | There is no method to upgrade a Harmony Option directly from the minimum White value to the maximum Purple value. To obtain higher Harmony values, you must perform the Grant Harmony Options process again, which rerolls all Harmony Options on the equipment. |
| New Harmony System | Future equipment uses the EX Harmony System, supporting 1 to 3 Harmony Option combinations with White, Blue, and Purple Harmony values. |
| Trading | Equipment with the new Harmony Options can be freely traded and sold through Personal Store without requiring character transfer, unlike the classic Yellow Harmony Option system. |
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