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(Updated) June 11 Patch Notes

Verified against MapleStory: Idle RPG Official Patch Notes
(Updated) June 11 Patch Notes

Summary

“(Updated) June 11 Patch Notes” is an official patch note from MapleStory: Idle RPG Official Patch Notes on 2026-06-11. Its canonical Nexon thread and publication metadata are retained for source-backed verification.

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Here are the patch notes for MapleStory : Idle RPG on June 11.

 

🔸New System: Hero's Journey

A new system, “Hero's Journey” has been added.

  • Hero's Journey is a new system where you can obtain more growth materials and stats as you clear more chapters.

  • Hero's Journey unlocks after clearing the Chapter 20 Boss, and progresses using the new exclusive currency “Journey Token”.

  • Journey Tokens drop from auto hunt starting from Chapter 21. The amount of Journey Tokens obtained increases gradually as you clear more chapters.
    • Journey Tokens are not provided in Quick Hunt.

  • Hero's Journey button has been added to the Quick Menu.
    • After clearing Chapter 20, a Hero's Journey tutorial has been added to the Growth Guide.

  • Journey Chest
    • A chest where you can obtain Journey Tokens based on your current chapter progress.

    • Journey Chest Keys recharge 5 per week.
      • The maximum capacity is 5, and keys recharged each week will not be recharged beyond the maximum.

    • In addition to the base amount from the Journey Chest, you can obtain additional Journey Tokens by adding the Journey's Blessing bonus. The Blessing bonus is obtained through Journey's Blessing.

    • Journey's Blessing allows up to 7 blessings per chest opening. There are 3 types of blessings in total, and a bonus is applied to the base amount based on the blessing grade.

    • When claiming Journey's Blessing rewards, you can use up to 10 keys at once.

    • Blessing resets can be done for free once per day.

  • Journey Trail
    • A system where you clear Chapter Boss and use Journey Tokens to obtain stats and growth materials.

    • You can unlock the footprints of cleared Chapter Bosses using Journey Tokens and Meso, and unlocking takes a certain amount of time.

    • Once unlocking is complete, you can claim the unlock rewards for that boss.

    • Unlocked boss footprints have Inventory Effects and Special Options.
      • Inventory Effects are always active and can be reconfigured using Journey Tokens and Meso.

      • The Inventory Effect consists of a total of 3 slots, and each slot has a designated stat. When converting the Inventory Effect, the stat's value changes according to its grade. (The type of stat does not change.)

      • Special Options are activated when all 3 currently applied slots reach Unique grade or higher.

      • (Added) If additional effects are reconfigured while Special Options are activated, causing the grade to drop below the activation requirement, the previously activated Special Options will be deactivated.

      • You can select 1 of the 3 slots to lock using the option lock feature. When locked, Journey Tokens are not consumed, but Regular Potential Cubes are consumed.

       

🔸New System: Guild Raid - Horntail

Following Guild Raid “Zakum”, “Horntail” has been added. Join your guild members and face the powerful Horntail!

  • Guild Raid - Horntail
    • Guild Raid Horntail can be played with up to 8 guild members, and each member must have cleared Boss Raid: Horntail on Normal difficulty to participate.

    • Rewards are earned based on the damage dealt to Horntail, and defeating Horntail grants the [Horntail Expedition] medal. (Inventory Effect: Final Damage +3%)

    • Guild Raid Horntail determines ranking across all servers in the same region, with rankings for up to 30 guilds.

    • The guild achieving the first clear across all servers will be recorded on the Encrypted Slate of the Squad. Those guild members will receive Red Diamonds, and guilds ranking in the top 10 will receive a time-limited buff effect.

    • If a guild member recorded on the Encrypted Slate of the Squad moves to a different guild and challenges the first clear again, that party will not be recognized as a first clear even if they succeed.
      • If such a member is included, a warning popup will appear to the party leader when combat begins.

  • Entry Requirements and Gameplay
    • How to enter: In-game Menu → Guild → Guild Raid → Horntail

    • Entry requirement: Clear Boss Raid - Horntail on Normal difficulty

    • A maximum of 8 players may enter, and parties can only be formed with members of the same guild.

    • 📌 Guild Raid Horntail is scheduled to open on June 12, 2026, 8:00 PM (Server Time).

  • First Clear Rewards
    • First clear rewards are delivered by mail upon clearing Horntail.

    • Rewards are given to all guild members belonging to the guild at the time of clearing.

    • The time-limited buff effect given as a reward is applied immediately upon mail receipt.

    • The first clear reward can only be obtained once per character.

Rank Reward Time-Limited Buff Effect
1st • Red Diamond 300,000 • Horntail First Clear Rank 1 Benefit (7 days)
• EXP Gain +200%
• Meso Gain +200%
2nd • Red Diamond 270,000 • Horntail First Clear Rank 2 Benefit (7 days)
• EXP Gain +160%
• Meso Gain +160%
3rd • Red Diamond 240,000 • Horntail First Clear Rank 3 Benefit (7 days)
• EXP Gain +120%
• Meso Gain +120%
4th • Red Diamond 210,000 • Horntail First Clear Top 5 Benefit (7 days)
• EXP Gain +100%
• Meso Gain +100%
5th • Red Diamond 190,000 • Horntail First Clear Top 5 Benefit (7 days)
• EXP Gain +100%
• Meso Gain +100%
6th • Red Diamond 170,000 • Horntail First Clear Top 7 Benefit (7 days)
• EXP Gain +80%
• Meso Gain +80%
7th • Red Diamond 150,000 • Horntail First Clear Top 7 Benefit (7 days)
• EXP Gain +80%
• Meso Gain +80%
8th • Red Diamond 140,000 • Horntail First Clear Top 10 Benefit (7 days)
• EXP Gain +60%
• Meso Gain +60%
9th • Red Diamond 130,000 • Horntail First Clear Top 10 Benefit (7 days)
• EXP Gain +60%
• Meso Gain +60%
10th • Red Diamond 120,000 • Horntail First Clear Top 10 Benefit (7 days)
• EXP Gain +60%
• Meso Gain +60%
11th–30th • Red Diamond rewards based on rank -

 

🔸New Chapters / Growth Dungeon Expansion

  • New chapters 39, 40, and 41 have been added beyond the existing 38 chapters.

  • Starting from Chapter 39, each chapter consists of 20 stages (vs. 15 for Chapter 38), and the difficulty increase per stage has been reduced.

  • The Growth Dungeon has been expanded from 120 stages to 130 stages.
    • The attack power increase per difficulty level in the Growth Dungeon has been reduced.

       

      • Weapon/EXP/Hero Power Dungeon: Stages 101 and beyond

      • Equipment/Enhancement Dungeon: Stages 91 and beyond

🔸Hero Power Stage 8 Added

  • Hero Power Stage 8 has been added.

  • Unlocking Hero Power Stage 8 opens the 7th Ability slot.

 

🔸New Costumes and Name Search Feature Added

  • An "All" tab has been added to Costumes, along with a feature to search costumes by name.

  • All costumes containing the search term will be filtered and displayed on screen.
    • E.g. Entering "check" in the search bar will show all costumes with "check" in their name.

  • New costumes have been added to the Costume tab.

 

🔸New Events

⭐ Mini Game 'Ruler of the Beach'

📌 Period: After maintenance on June 11, 2026 - July 22, 2026, 11:59 PM (Server Time)

A new mini-game event, Ruler of the Beach, has been added.

The game is played in a 4 vs 4 format with up to 8 players. Move around the map, shoot water balloons at nearby enemies to eliminate them, and collect the most points to win.

Use terrain features and various skills throughout the map to enjoy the mini-game and earn rewards.

 

⭐ Summer Treasure Hunt Event (Notice)

📌 Period: After maintenance on June 11, 2026 - July 22, 2026, 11:59 PM (Server Time)

Use 'Summer Treasure Keys' obtained through various summer events to open 'Summer Treasure Chests.'

From 'Summer Treasure Chests,' you can obtain various treasure materials and event costumes based on set probabilities. Obtained treasure materials can be exchanged for growth materials at the [Treasure Exchange] event.

Additional rewards are given based on how many treasure chests you open, and the final reward is a booster effect that applies until the end of the event.

 

⭐ Summertime Treasure Exchange (Notice)

📌 Period: After maintenance on June 11, 2026 - July 22, 2026, 11:59 PM (Server Time)

This event lets you combine materials obtained from 'Summer Treasure Chests' to obtain growth materials.

Complete all treasure combinations and claim the rewards to earn an additional final completion reward.

 

⭐ Summer 10-Day Attendance (Notice)

📌 Period: After maintenance on June 11, 2026 - July 1, 2026, 11:59 PM (Server Time)

An event where you log in daily and earn rewards.

You can obtain “Summertime Coins” and “Summer Treasure Keys” through attendance.

 

⭐ Splash! Water Balloon Collection Daily Mission Event & Summer Shop (Notice)

📌 Period

  • Event Period: After maintenance on June 11, 2026 - July 22, 2026, 11:59 PM (Server Time)

  • Event Shop Purchase Period: After maintenance on June 11, 2026 - July 24, 2026, 11:59 PM (Server Time)

An event where you complete the daily Water Balloon Collection mission and earn rewards.

In addition to completing daily missions, you can earn 'Beach Aura' points through the 'Ruler of the Beach' mini-game, and receive additional rewards based on your accumulated points.

A shop is also added where you can use the event currency 'Summertime Coins' to purchase various growth materials.

 

⭐ Arena Boost Event

📌 Period: From Arena settlement on June 22, 2026 - Until Arena settlement on July 5, 2026 (Server Time)

An event has been added where the amount of currency earned from daily and weekly Arena rewards is increased.

 

🔸Guild War, Guild Training Ground Announcement

  • A new Guild War season has been added.
    • Added season: June 25, 2026 - August 31, 2026

    • Starts every Thursday at 12:00 PM and ends the following Monday at 10:00 PM (Server Time).

  • A new Guild Training Ground season has been added.

Round 1 Friday, June 12, 2026 at 12:00 PM Wednesday, June 17, 2026 at 10:00 PM
Round 2 Friday, June 26, 2026 at 12:00 PM Wednesday, July 1, 2026 at 10:00 PM
Round 3 Friday, July 10, 2026 at 12:00 PM Wednesday, July 15, 2026 at 10:00 PM

 

🔸Manual Input Movement Improvement

  • When moving/jumping via manual input, the responsiveness has been improved for a smoother experience.

  • The issue where the visible position and actual hitbox position differed significantly during Double Jump has been fixed.

 

🔸Other Improvements

  • Fixed an issue where pressing Back in the opponent list popup after Colosseum battles did not correctly return to the Colosseum main screen.

  • An issue where the app force closed when entering Guild content on certain low-memory devices has been improved.

 

🔸Bug Fixes

  • Fixed an issue where clearing a lower difficulty than your maximum playable difficulty during Party Quest Auto Match would cause the next match to be automatically set to your highest difficulty.

  • Fixed an issue where using instant entry instead of auto match when repeating Party Quests caused the battle results to close later than expected.

  • Fixed an issue where the remaining time displayed less than 2 hours when a Party Quest Exploration was cancelled due to all members being defeated.

  • Fixed an issue where reward records from a previous repeat continued to accumulate into the next repeat when Party Quest repeat battles did not end normally.

  • Improved an issue where app force closures occurred frequently during Party Quest repeat battles has been improved.

  • Fixed an issue where the rename button in the equipment preset list did not function. (Default presets cannot be renamed.)

  • Fixed an issue where Star Force stars were not visible when checking equipment obtained in Exploration.

  • Fixed an issue where the companion Marksman skill's shield effect did not activate correctly.

  • Fixed an issue where the Shadower (4th) companion’s skill did not properly deal additional damage to targets affect by a status effect.

  • Fixed an issue where two companion Dark Knights in the Arena would simultaneously activate the Evil Eye Shock skill.

  • Fixed an issue where some costume animations would freeze at the start of Arena battles.

  • Fixed an issue where tapping the speech bubble from Area Chat would prevent the movement joystick from functioning.

  • Fixed an issue where the currency drop values per dungeon type were not displayed in the Portal.

  • Fixed an issue where the Marksman's Arrow Illusion skill effect appeared to cut off after use.

  • Fixed an issue that caused a delay in automatic skill activation when attempting to use a skill unavailable due to unmet conditions. (Buccaneer - Serpent Scale, Dark Knight - Evil Eye Shock)

  • Fixed an issue where Horntail's Curse did not stack while under the Temptation debuff during the Horntail battle.

  • Fixed an issue where the Center Head's Breath skill only applied damage 1 time during the Horntail battle.

  • Fixed an issue where it occasionally took too long before the next attack when a petrified part existed during the Horntail battle.

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MapleStory: Idle RPG Official Patch Notes