8/13 (Thu) Update Content
August 12, 2026
Hello, Heirs. This is GM Dominiel.
* Please note that for this week, no maintenance will be required, and the update will be applied automatically.
The update details provided in this notice are subject to change and may be different from the actual update.
Please see below for more details.
1. Special Side Story, “Intense! Tropical Days!!” Rerun Week 2

Hwayoung gives in to Ken's efforts to convince her and formally declares Sura's summer bootcamp.
The five are enjoying their time swimming and fishing, soaking in the moment. If only such peaceful times could last...
A sizzling summer story unfolds at Natalon Academy!
The Special Side Story, “Intense! Tropical Days!!”, Week 2 will begin!
■ Schedule
8/13 (Thu) 03:00 - 8/27 (Thu) 02:59 UTC
[Weekly Opening Schedule]
Week | Opening Schedule |
Week 1 | 8/6 (Thu) after the maintenance – 8/27 (Thu) 02:59 UTC |
Week 2 | 8/13 (Thu) 03:00 - 8/27 (Thu) 02:59 UTC |
Week 3 | 8/20 (Thu) 03:00 - 8/27 (Thu) 02:59 UTC |
■ Mini Game, " Operation: Summer Bootcamp” Basic Information
- Operation: Summer Bootcamp is a survival mini-game where you must hold out until the time runs out, fending off waves of approaching enemies.
- The mini-game will no longer be available once the event period ends.
■ Entry Conditions
Clear "Summer Bootcamp...Right?” in Chapter 1.
■ Operation: Summer Bootcamp
- Operation: Summer Bootcamp consists of 3 stages, ranging from the Bootcamp Entrance Ceremony stage to the Endless Independent Training stage.
- In the Bootcamp Entrance Ceremony stage, you must play with a designated Hero.
- For the Summer Bootcamp and Endless Independent Training stages, you can freely choose a Hero you'd like to play. In the Endless Independent Training stage, you can play without time limits and register on the rankings based on your score.
* In Operation: Summer Bootcamp, all stages are accessible regardless of the week.
2. Custom Group Summon

A great opportunity to choose and obtain Limited Heroes and Covenant Heroes!
Custom Group Summon is now here for our Heirs.
Pick a Hero of your choice and summon them!
■ Schedule
8/13 (Thu) 03:00 - 9/3 (Thu) 02:59 UTC
* Custom Group Summon will be available after you clear 6th World Episode, Chapter 2. "The Encounter with the Covenant," and will be available for 14 days from the time of the first summon.
* After 14 days from the first summon, Custom Group Summon will close.
■ Participation Conditions
Clear 6th World Episode, Chapter 2. "The Encounter with the Covenant"
■ Custom Group Summon Selectable Targets
- This summon includes Covenant and Limited 5★ Heroes and 5★ Artifacts released up to 2025/12/31 (Wed).
- A detailed list of selectable targets can be checked in-game.
* Moonlight Heroes, Collaboration Heroes or Artifacts, and Class Summon Artifacts are not included in the selectable target pool.
■ How to Use Custom Group Summon
① Select "Summon > Custom Group Summon" and enter.

② Tap the "Drop Rate Increased Target Selection" button and select the Custom Group Summon target.

③ Tap the "Summon x1" or "Summon x10" button at the bottom of the screen to summon Heroes.

■ Custom Group Summon Conditions and Others
① Custom Group Summon will be available after you clear 6th World Episode, Chapter 2. "The Encounter with the Covenant".
② Custom Group Summon requires players to select three Drop Rate Up Heroes.
③ After performing a summon once, players will not be able to change the selected three Heroes.
④ Guaranteed Summon does not apply to this Summon.
⑤ The selected Drop Rate Up Artifacts can be purchased once each from the Star's Mirage Coin Shop and the Powder of Knowledge Shop during the Group Summon period.
■ Star's Mirage Coin

- Every Custom Group Summon performed grants 1 Star's Mirage Coin.
- Heroes and Artifacts selected for Custom Group Summon are available for purchase using Star's Mirage Coins in the Star's Mirage Coin Shop.
- All Star's Mirage Coins obtained from this Summon can only be used in the Star's Mirage Coin Shop.
- The Star's Mirage Coin Shop will remain open for 7 days after the Custom Group Summon ends. Once the Custom Group Summon period ends, you can find it under the [Shop > Star's Mirage Coin] tab.
* Unused Star's Mirage Coins will be reset on 9/24 (Thu) 03:00 UTC and will not be available for the next Custom Group Summon.
■ Star's Mirage Coin Shop List
- The Star's Mirage Coin Shop unlocks after proceeding with Custom Group Summon at least once.
Item | Quantity | Cost | Purchase Limit |
Selected Hero | 1 | 120 | - |
Selected Hero | 1 | 120 | - |
Selected Hero | 1 | 120 | - |
Selected Artifact | 1 | 100 | 1 time |
Selected Artifact | 1 | 100 | 1 time |
Selected Artifact | 1 | 100 | 1 time |
Epic Equipment Charm | 1 | 20 | 5 times |
Epic Accessory Charm | 1 | 25 | 5 times |
Leif | 2 | 10 | 5 times |
Gold | 12,000 | 1 | - |
■ Custom Group Summon Drop Rate Information
Hero | Artifact | ||||
46.75% | 53.25% | ||||
Selected 5★ Hero | 0.3333% | 1% | Selected 5★Artifact | 0.35% | 1.05% |
Selected 5★ Hero | 0.3333% | Selected 5★Artifact | 0.35% | ||
Selected 5★ Hero | 0.3333% | Selected 5★Artifact | 0.35% | ||
4★ Hero | 4.5% | 5★ Artifact | 0.7% | ||
3★ Hero | 41.25% | 4★ Artifact | 6.5% | ||
- | 3★ Artifact | 45% | |||
3. Knight Class Summon & M.O.A.S Drop Rate Up

In this Drop Rate Up event, meet a variety of Heroes of the Knight Class. Players can also obtain the Knight exclusive Artifact, M.O.A.S, which inflicts additional damage proportional to the caster's Defense after attacking with a Single Attack.
■ Drop Rate Up Event Information
1. Schedule: 8/13 (Thu) 03:00 - 8/20 (Thu) 02:59 UTC
2. Details: Players can acquire Heroes of the Knight Class, and the 5★ Artifact, M.O.A.S will have a higher summon rate.
■ Guaranteed Summon System
1. Each summon will cause the summon counter to decrease by 1. (Maximum 120 summons)
2. If a player does not receive a 5★ Knight Hero after 120 summons, then the following summon is 100% guaranteed to summon a 5★ Knight Hero.
3. If a 5★ Knight Hero is summoned, then the summon counter is reset.
■ Summon Probability
Hero | Artifact | ||
46.75% | 53.25% | ||
5★ Knight Hero | 1% | 5★ M.O.A.S | 1.05% |
5★ Artifact | 0.7% | ||
4★ Knight Hero | 4.5% | 4★ Artifact | 6.5% |
3★ Knight Hero | 41.25% | 3★ Artifact | 45% |
* Players may check more detailed summon probability by going to Summon > Class Summon.
■ Total Summon Count Reward
You can acquire rewards based on your total number of summons during the event period.
Summon Count | Item | Quantity |
30 | Covenant Bookmark | 10 |
60 | Covenant Bookmark | 25 |
90 | Covenant Bookmark | 25 |
120 | M.O.A.S | 1 |
160 | Covenant Bookmark | 40 |
200 | Covenant Bookmark | 60 |
240 | M.O.A.S | 1 |
* Please Note
- The Class Summon applies only to this banner during the event period. Players are able to use both the Class Summon banner as well as regular Covenant Summons.
- Moonlight Heroes will not appear from Class Summon banners.
- 5★ Knight Class Heroes will have their probability rate increased to 1% when summoning on this banner and Heroes of other classes cannot be summoned.
- Players can only obtain the 5★ Artifact, M.O.A.S, from this Class Summon banner. It will not be added to Covenant Summons after the event period ends.
- The featured Artifact may be available for purchase in the same or similar fashion in the future.
■ Artifact Introduction

[August 13 (Thu) Update Content Mail]
Players can receive 2 Leif by moving to the link in the August 13 (Thu) Update Content Mail.
- Collection Period: 8/12 (Wed) - 8/15 (Sat) 09:00 UTC
Thank you.

Epic7DB