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Patch Note

Patch Note - March 31st


From my battle to our war, MMORPG MIR4


Greetings, This is MIR4.


Here's what's coming with the update maintenance on Tuesday, March 31st.


◈Update Summary◈

1. New Events

2. Grows Specialized Server: <Boosting World>

3. New Accessories: Medallion and Charm


[March 31st Patch Notes Details]


■ Events

1. Ringring’s 28-Day Check-in

2. Ringring’s Mysterious Exchange Shop


※ Please refer to [Ringring's Mysterious Invitation Event Round-up] for further details.


■ Boosting World Server Exclusive Events

- These events are available only on the Boosting World server.

1. Boosting World Welcome 7-Day Check-in & Level Achievement Reward Box

2. Yiun’s 28-Day Accumulated Check-in I

3. Ruler of the Boosting World

4. Boosting World Mail Reward

5. Yiun’s Boosting World Mission Scroll

6. Boosting World Mission Pass

7. Boosting World Level Reward Event

8. Boosting World Power Score Reward Event

9. Boosting World Piggio's Happy Recharge Event


※ Please refer to [Boosting World Event Round-up] for further details.


■ Boosting World Server

1. New Growth Specialized Server: <Boosting World>

 - Starting from March 31, 2026, 17:00 (UTC+8), the Boosting World server will be available for approximately four months, offering a variety of benefits designed to accelerate character growth.

 - On the Boosting World server, access to world-level content is restricted, preventing interference from other servers and allowing players to focus entirely on progression.

 - Server Period: March 31, 2026, 17:00 (UTC+8) ~ Until the July 21, 2026 Update


2. Exclusive Benefits Applied to Boosting World Characters

- Boosting World exclusive Growth Buff

- Boosting World exclusive Pop-up Products

- Boosting World exclusive Growth Support Pass

- Boosting World exclusive Events


3. Server Transition after Boosting World Period

- Once the Boosting World server period ends, it will transition into a regular server.

- Clans and allies formed during the event period can continue their journey together, and additional content not previously available on Boosting World will become accessible after the transition.


4. Bicheon Castle Siege Balance Adjustments

- On the Boosting World server, Bicheon Castle Siege will feature adjusted object balance based on overall player progression within the server.

- These balance adjustments will remain in effect for up to 3 months after the Boosting World period ends and can be identified via an icon displayed on the server selection screen.

Object
Regular Server HP
Boosting World Server HP
Castle Gate
27,000,000
4,500,000
Castle Gate Controller
1,500,000
120,000
Monolith
40,000,000
1,500,000
Castle Siege Tower
1,800,000
180,000
Stonethrower
1,500,000
120,000


※ Please refer to[Game Encyclopedia - Boosting World Server] for further details.


■ System

1. The 'StoreKit 2' system will be implemented for the iOS version for a more stable payment environment.

1) Following the implementation of this system, MIR4 will only be accessible on iOS version 15 or higher.

- How to Check your iOS Version: Open the 'Settings' app on your device > General > About > Check iOS Version.

- How to Update iOS Version: Open the 'Settings' app on your device > General > Software Update.

※ After the implementation of the StoreKit 2 system, the minimum device requirement remains as the iPhone 7. Please note that there are no other changes to the supported hardware specifications.


■ Update Details

1. New Accessories

1) Two new accessories ‘Medallion’ and ‘Charm’ have been added.

- New accessories Medallion and Charm enhance monster hunting performance when equipped.


[Medallion]

Medallion

- Base Stats: Monster ATK DMG Boost, CRIT EVA, Monster Accuracy Boost, CRIT ATK DMG Boost, CRIT DMG Reduction


[Charm]

Charm

- Base Stats: Monster DMG Reduction, CRIT, Monster EVA Boost, Bash ATK DMG Boost, Bash DMG Reduction


2) ‘Medallion’ and ‘Charm’ can be obtained through Crafting or by defeating boss monsters summoned via Forsaken Badges, just like existing accessories. They can also be strengthened through Enhance, Enchant, Dragon Forge, Primal Force, and Manifest Ability, and can also be disenchanted into materials.


3) Craft Category Improvements

- New tabs ‘Accessory I’ and ‘Accessory II’ have been added under [Craft > Craft Equipment].

- Accessory I: Necklace, Bracelet, Ring, Earrings

- Accessory II: Medallion, Charm


4) Equipment Display Improvements

- Equipment categories have been reorganized in the Character Info window.

- Weapons and Armor: Weapon, Secondary Weapon, Top, Bottoms, Gloves, Boots

- Accessory: Necklace, Bracelet, Ring, Earrings, Medallion, Charm


5) A total of 88 new Codex entries related to ‘Medallion’ and ‘Charm’ have been added.


2. Legendary Spirit Special Summon

- A Special Summon for the Legendary Party Leader Spirit “Lightning Force Dragon Zeon” will begin.

- Special Summon Period: March 31, 2026 Update ~ April 28, 2026 Update Maintenance


■ Bug Fixes & Gameplay Improvements

1. [Competitive Raid] Fixed an issue where the names and HP of Abanos Crystal and Abarax Crystal were incorrectly displayed at the bottom of the screen.

2. [Forge] Improved visibility of safe enhancement range information for collectible items.

3. Fixed an issue where portal destinations were not displayed on the ‘Spiritual Center Area > Redmoon Mountain > Emei Sect's Secret Hermitage’ map.

4. Fixed an issue where the character position appeared fixed when mounting after using a Jump Scroll.

5. Fixed various in-game typos.