TABLE OF CONTENTS (v255)

1. Challengers 4 Seasonal Boss: Maerin
2. Maerin Defeat Mission

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Challengers 4 Seasonal Boss :
Maerin

Event Period:
12th November 2026, 10:00 SGT ~ 9th March 2027, 23:59 SGT

Available to character that is level 270+, or Zero characters that is level 270+ and completed Story Quest Chapter 2 in Challengers World only.

Challenge Maerin, the Guide of Destiny, who weaves the threads of fate and commands the flow of countless possibilities.
Face a celestial arbiter of destiny and prove that your will can triumph over the future itself.

Seasonal Boss
• Available only in Challengers World.
• Can be cleared once per week per Maple ID.
• Clear counts reset every Wednesday, 2359 SGT.
• Does not count toward the weekly boss clear limit.
• Defeating Maerin grants rewards that are more powerful than those from regular bosses.
• Power Crystals are not awarded upon defeat.
• Some rewards can only be used in Challengers World.

Difficulty
• Normal Mode: Lv. 270 and above
• Hard Mode: Lv. 280 and above
• Zero characters must complete Story Quest Chapter 2 before participating.

How to Participate
• Speak with Annette in any of the following locations:
    ↪Henesys
    ↪Nameless Village
    ↪Cernium Square
    ↪City of Researchers

General Rewards
Golden Meso Pouch
Fragments of Shifting Destiny
Destiny's Eternal Armor Box
Maerin's Eternal Armor Box
Maerin's Pitched Boss Accessory Box
Maerin's Lesser Sol Erda Fragment Box
Maerin's Superior Sol Erda Fragment Box


• Upon acquiring the Golden Meso Pouch, 10,000,000 Mesos will be added to your account.
• You can exchange 10 Fragments of Shifting Destiny for one of the following: Eternal Hat, Top, Bottom, or Shoulder Decoration.
• The Destiny's Eternal Armor Box grants one of the following: Eternal Hat, Top, Bottom, or Shoulder Decorations.
• Maerin's Eternal Armor Box grants one of the following: Eternal Shoes, Gloves, or Cape.
• Maerin's Pitched Boss Accessory Box grant one of the Boss of Darkness Set Accessory based on a set probability.
• Maerin’s Lower/Upper Sol Erda Fragment Boxes grant non-tradable Sol Erda Fragments based on a set probability.
New Soul Skill : Shadow Sword, Aquila

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Maerin Defeat Mission

Event Period:
12th November 2026, 1000 SGT ~ 9th March 2027, 2359 SGT

Normal Defeat Reward Period:
12th November 2026, 1000 SGT ~ 10th March 2027, 0200 SGT

First-Come-First-Served Defeat Period:
19th November 2026, 1900 SGT ~ 9th March 2027, 2359 SGT

First-Come-First-Served Reward Claim Period:
16th December 2026, 1000 SGT ~ 9th March 2027, 2359 SGT



Available to Challenger World characters that is Level 270+, Zero character who has completed Chapter 2 for Story Quest.

First-Come-First-Served Defeat Mission

You can find event Seasonal Boss Maerin from the Event List.

If you are among the first 10 people in the Challengers World combined to defeat Maerin on Hard difficulty during the event period, you can complete the first defeat mission.

If you complete the first defeat mission, you can obtain the following rewards through the event list during a separate reward claim period.

You must defeat the reward monster 'Forbidden Relic' while surviving after defeating Maerin (Hard) to be recognized as cleared.

You cannot participate in the First-Come-First-Served defeat mission in Practice Mode, and defeating ‘Forbidden Relic’ will not be recognized as the first defeat.

The First Defeat Mission reward can be claimed once per Maple ID after the maintenance on Wednesday, December 16, 2026, and can be claimed in regular worlds as well.

Beyond the Forbidden Realm My Home Theme Coupon

Guide of Destiny Chair

Guidance of Destiny: Finale Finish Attack Effect Coupon Special Note: Hard Maerin has a chance to drop this Finish Attack effect coupon in Tradeable form.

Normal Defeat Mission

If you defeat Maerin at least once with a solo party during the event period, you can obtain defeat rewards through the event list based on the number of defeats.

You can receive different rewards depending on the difficulty of the Maerin you defeated, and the defeat record is shared among characters within the world.

You can complete the mission even if you defeat it in practice mode with full boss phase selected.

You must complete both defeating Maerin and entering the reward map to meet the mission completion conditions.

Defeat Normal 1 time Guide of Destiny Face/Hair Coupon

Defeat Normal 2 times Forgotten Saint's Bridge Custom Background Coupon

Defeat Normal 3 times Guide of Destiny Outfit Set Coupon

Defeat Hard 1 time Guide of Destiny Label/Quote Ring Coupon

Defeat Hard 2 times Magnificent Maerin's Soul Box