From my battle to our war, MMORPG MIR4
Greetings, This is MIR4.
Here’s what’s coming with the update maintenance on Tuesday, September 30th.
1. New Events
2. Secret Peak Demon Summon Badge Crafting Improvements
3. Promotion requirements for the Conquest will be changed.
■ Boosting World Event
1. Yiun’s 28-Day Accumulated Check-in II
※ Please refer to the notice for further details.
■ New Events
1. Harvest Festival 14-Day Check-in
2. Dragon’s Gift Box
3. Legendary Spirit Treasure Challenge Event
※ Please refer to for further details.
■ Update Details
1. The crafting formula for Secret Peak Demon Summon Badge will be improved
– The required materials for crafting certain Summon Badges have been reduced.
Summon Badge
Before
After
Material 1
Material 2
Material 1
Material 2
Giant Gorefiend Summon Badge
[UC] Blood Soul Crystal x20
[UC] Celestial Soul Crystal x20
[UC] Blood Soul Crystal x15
[UC] Celestial Soul Crystal x15
Venom Mudcreeper Summon Badge
[UC] Blood Soul Crystal x15
[UC] Celestial Soul Crystal x25
[UC] Blood Soul Crystal x12
[UC] Celestial Soul Crystal x12
Furious Dusk Armado Summon Badge
[UC] Blood Soul Crystal x25
[UC] Celestial Soul Crystal x25
[UC] Blood Soul Crystal x18
[UC] Celestial Soul Crystal x18
2. Promotion requirements for the Conquest will be changed.
– Required Clan Cooperation Count for the promotion of the Holy Shrine has been improved.
Conquest Name
Before Change
After Change
[Stage 10] Holy Shrine
Clan Cooperation 370 times
Clan Cooperation 200 times
[Stage 11] Holy Shrine
Clan Cooperation 600 times
Clan Cooperation 300 times
[Stage 13] Holy Shrine
Clan Cooperation 1300 times
Clan Cooperation 450 times
[Stage 16] Holy Shrine
Clan Cooperation 1500 times
Clan Cooperation 750 times
3. Legendary Spirit Special Summon will be held.
– The Special Summon for the Legendary Party Leader Spirit ‘Forest Fairy Lara’ will be available.
– Event Period: After the update on September 30th, 2025 ~ Before the update on October 28th, 2025
■ Bug Fixes & Gameplay Improvements
1. [Lionheart] Fixed an issue where some main quest cutscenes were abnormally displayed.
2. [Lionheart] Fixed an issue where hit effects were not displayed when affected by ‘Horror’ while using the skill Terrorizing Crash.
3. Fixed an issue where the effects of the in-shop menus ‘Dragon Sphere Summon’ and ‘Legendary Spirit Summon’ were abnormally displayed.
4. Corrected certain typos in the game.