Here are the patch notes for MapleStory : Idle RPG on December 18th.
New Content – 'Boss Raid: Zakum'
◼ Boss Raid: Zakum
- Up to 4 players can form a party and enter.
- When matching, players are matched across all servers within the same region.
- Boss Raid entry tickets are recharged by 3 each week, and you can receive rewards by consuming entry tickets.
- Even without entry tickets, you can play through Challenge Mode. However, you cannot obtain main rewards.
◼ Entry Conditions and Progress
- Entry Method: In-game Menu → Boss Raid → Zakum
- Entry Conditions:
Difficulty | Unlock Condition | Revival Limit Count |
Easy | Clear Chapter 13-10 | 15 times |
Normal | Clear Chapter 18-10 | 12 times |
Hard | Clear Chapter 27-10 | 10 times |
* Revival limit count is shared among party members.
- Maximum entry capacity is 4 players.
◾ Main Rewards
- [Hat] Zakum Helmet, [Eye Accessory] Aquatic Letter, Spell Trace, Meso, Elite Monster Summoning Points, Weapon Enhancer, Time Acceleration Ticket (1 min), Zakum's Scroll, EXP, etc.
* Expected rewards can be obtained according to set probabilities.
◾ 1 New Unique Artifact Added – Zakum's Stone Piece
- A new Unique Artifact [Zakum's Stone Piece] with useful options for battles against Zakum has been added.
- Acquisition Method: Can be obtained according to set probabilities through Artifact Chests.
Item Name | Inventory Effect | Details |
Zakum's Stone Piece | Final Damage 1% | [Raid-Zakum] During battle, Final Damage increases by 20%, Debuff Resistance increases by 15, and HP Potion cooldown decreases by 20%. |
◾ New Equipment Slot – Eye Accessory
- The Eye Accessory equipment slot has been added.
- You can obtain the [Aquatic Letter Eye Accessory] through 'Zakum Raid' and the 'Challenge! Zakum Raid' event.
New Content – 'Guild Raid : Zakum'
◾ Guild Raid: Zakum
- Guild Raid is the most challenging level of content. You can challenge it with up to 8 guild members.
- The first 10 guilds to clear per server will receive additional rewards for all guild members.
✔️ Guild Raid : Zakum is scheduled to open on Friday, December 26th, 2025 at 8:00 PM.
◾ Entry Conditions and Progress
- Entry Method: In-game Menu → Guild → Guild Raid → Zakum
- Entry Condition: Clear Boss Raid – Zakum 'Normal' difficulty
- Maximum entry capacity is 8 players, and parties can only be formed with members from the same guild.
- The Revival limit count is 20 times.
* Revival Limit count is shared among guild members.
✅ For more flexible gameplay, we have changed the guild raid participation from the previously announced 10 players → to 8 players.
◾ Rewards
- You can obtain the following rewards based on the amount of damage dealt to Zakum.
- Rewards can be claimed by each individual participant and can only be obtained once per character upon reaching the initial damage threshold.
Damage | Reward |
10% | Zakum’s Scroll (T4) x3 |
20% | [Unique Eye Accessory] Aquatic Letter (Lv.~95) x1 |
30% | [Unique Hat] Zakum Helmet (Lv.~95) x1 |
40% | Zakum's Scroll (T4) x3 |
50% | Zakum's Scroll (T3) x2 |
60% | [Legendary Eye Accessory] Aquatic Letter (Lv.~110) x1 |
70% | [Legendary Hat] Zakum Helmet (Lv.~110) x1 |
80% | Zakum's Scroll (T4) x3 |
90% | Zakum's Scroll (T3) x2 |
100% | Team Player Medal x1 |
* The Medal applies its inventory effect upon acquisition. [Inventory Effect: Final Damage 3%]
◾ Honorable Rock
- The top 10 guilds and their members who clear the guild raid first per server will be recorded on the Honorable Rock.
- If you move to another guild after being recorded on the Honorable Rock and attempt to achieve a first-clear again, that party's clear will not be recognized as a first-clear.
*If such members are included, a warning popup will appear to the party leader at the start of battle.
New Content – Medals
◾ Medal System
- You can obtain Medals by achieving specific conditions through gameplay.
- When you equip an obtained Medal, it will be displayed below your nickname, and some Medals have Inventory Effects.
- Path: In-game Menu → Medal
* You can check the acquisition conditions by tapping the [Details] of each Medal.
* Some Medals only recognize records made after the maintenance. (Party Quest attempt count, Royal Style changes, etc.)
New System – Dungeon Preset
◾ Dungeon Preset
- A feature has been added that allows you to individually set the preset to use for each dungeon upon entry.
- You can set presets for Skills, Companions, Abilities, and Artifacts.
- For Growth Dungeons, you can also set presets for each Weapon/EXP/Equipment/Hero's Training Ground/Enhancement Dungeon.
* After maintenance, the previously set default preset (Chapter Hunt) will be applied, and you can set them individually through 'Preset Activation' when entering each dungeon.
New Events
◾ Happyville [Go to Announcement]
Event Period | After maintenance on December 18, 2025 – Before maintenance on January 29, 2026 |
Event Description | - The new village [Happyville] will be added during the event period. - Complete NPC missions in Happyville and obtain various rewards. - Find hidden chests to obtain 'Holiday Socks'. - New missions open each week. |
◾ Renee's Magic Bell [Go to Announcement]
Event Period | After maintenance on December 18, 2025 – Until 11:59 PM on January 7, 2026 (Server Time) |
Event Description | - Defeat monsters in chapters to fill the gauge and activate Renee's Magic Bell skill. - Renee's Magic Bell skill only applies in Chapter Hunt, and it quickly defeats nearby enemies and grants a buff effect for a certain duration when activated. - You can obtain Holiday Socks when defeating monsters by activating the skill. - You can obtain up to 2,000 Holiday Socks per day through skill activation, and you can continue to activate Renee's Magic Bell skill even after obtaining the maximum. |
◾ Holiday Special Mission & Holiday Shop [Go to Announcement]
Event Period | After maintenance on December 18, 2025 – Until 11:59 PM on January 7, 2026 (Server Time) |
Shop Period | After maintenance on December 18, 2025 – Until 11:59 PM on January 30, 2026 (Server Time) |
Event Description | - Complete daily missions to obtain 'Holiday Socks' that can be used to purchase various items. - You can additionally obtain Holiday Socks and Santa costumes based on the number of missions completed. - Santa costumes will be sold the same as regular costumes after the event ends. |
◾ Challenge! Zakum Raid [Go to Announcement]
Event Conditions | - Clear Chapter 13-10 - Can participate until all rewards are received |
Event Description | - Clear Boss Raid Zakum and obtain rewards based on the number of clears. - Only clears that consume entry tickets are counted, and Challenge Mode is not included. |
New Products & Costumes
◾ Holiday Mission Pass
- Sale Period: 12:00 AM December 24th, 2025 – Until 11:59 PM January 28th, 2026 (Server Time)
- Path: In-game Menu → Pass → Holiday Mission Pass
- A pass that allows you to obtain Holiday Socks based on daily mission progress.
- You can obtain additional rewards through paid purchase.
◾ Holiday Attendance Payback Package
- After maintenance on December 18, 2025 – Until 11:59 PM on January 7, 2026 (Server Time)
- Path: In-game Event → Holiday Attendance Package
- Purchase the Attendance Payback Package with Blue Diamonds and obtain rewards by attending for 14 days.
* Attendance package rewards can be received until 11:59 PM January 28th, 2026 (Server Time).
* Rewards cannot be received if the period expires, so please complete attendance within the period to receive all rewards.
◼ 6 New Royal Hair/Face Styles Added
◾ New Costumes
- Various regular costumes have been added.
Improvements and Bug Fixes
◾ Improvements
- Optimization work has been conducted throughout the game to reduce heat generation and frame drops.
- A feature has been added to check and share records from Arena Friendly Battles in the Arena Battle Record menu.
- When popularity changes, the whisper text color has been changed to distinguish it from regular whispers.
- When selecting [View Guild Member Info] on the Guild War ranking page, it has been improved to show all guild members, including those who haven't recorded scores.
- Information about stats you don't currently possess has been added to the popup for checking stat information.
- When promoting companions, it has been modified to consume all companions evenly instead of consuming from the front.
- Penalties for leaving or being kicked from a guild have been reduced.
✔️ If you stay in a guild for more than a week, leave/kick penalties are reset.
✔️ If you are kicked or leave a guild without existing penalties, no penalty is applied.
✔️ When penalties are applied due to leave/kick, the penalty time increase has been reduced.
- A minimap has been added to Party Quest Dimensional Rift.
- When changing the in-game language, it has been improved to only show loading instead of returning to the title screen.
- Your nickname/guild name is now displayed in chapter battles. You can turn this ON/OFF in game settings.
- Resolution settings and frame settings have been added to game options.
◾ Other/Bug Fixes
- Fixed an issue where the 'Favorites' function was not working in Royal Style.
- Fixed an issue where Royal Styles that were already purchased but whose sale period had ended could only be viewed in the Owned tab.
- Fixed an issue where skills that can be used even when affected by status effects were intermittently not being used in auto mode.
- Fixed an issue where the Decreased HP Recovery effect was not being applied to HP recovery per second and HP recovery Potions.
- Fixed an issue where the Shadow Partner effect would disappear after completing a dungeon while Membership was active.
- Fixed an issue where some descriptions would not be visible on the Quick Hunt screen when learning skills that increase the Quick Hunt monster count.
- Fixed an issue where users who don't exist in a chapter would intermittently appear as if they were present in that chapter.
- Fixed an issue where Pass items would appear in the acquired items list when progressing through Party Quest Dimensional Rift.
- Fixed an issue where lag would occur on the results screen when completing Party Quest through matchmaking.
- Fixed an issue where connection error messages would occur during Party Quest matchmaking.
- Fixed an issue where the red dot notification for Arena battle records would appear even when there were no records to check.
- Fixed an issue where the remaining time display on the Guild War entry banner would show less than 0 days.
- Fixed an issue where the [Increased Damage] effect of Guild Noblesse Skills was applied lower than the stated value at Master tier 4 and below.
- Fixed an issue where Artifact Clear Spring Water reduced the Cooldown of in Growth Dungeons.
- Fixed an issue where Artifact Mushmom's Hat reduced damage against targets whose Evasion was higher than your Accuracy.
- The skill description text for Artifact Hexagonal Crystal Necklace has been modified to match the currently applied effect.
- Fixed an issue where EXP Gain from received Offline Rewards was included in EXP obtained while idle.
- Fixed an issue where Guild Mastery research could not proceed when accelerating with Blue Diamonds while owning less than 200 Blue Diamonds.
- Fixed so that other guild members' appearances are visible in the Guild Base.
- The map structure and monster placement in some areas of the Aquarium Abyss have been changed.
*Images shown in the patch notes were captured in a development environment and may change in the actual update.