1. New World Released
- World 17 'Two Demon Queens' is added.
※ All stages will open simultaneously.

2. Hero and Equipment
New Heroes and Equipment
- New Hero 'Overlord of the East Morrian' is added.
  ㄴ Overlord of the East Morrian's voice is added. (cv. Kim Hyeon-ji)
  ㄴ 5 stars maximum awakening party effect: [Party] shield increase on battle start +40%

- Overlord of the East Morrian's Exclusive Weapon 'Alraune' ★★★★★ is added.

Voice Addition and Improvement
- Beach Dragon Knight Shapira's Japanese voice is added.
- The Japanese voice of Knight Shapira is changed from CV. Hitomi Nakashima to CV. Meiku Harukawa.
- Archives - Japanese voice is added to Old Sheet Music.
※ Only reflected when the voice settings are selected in each language.
 
- A new mail notification voice for 'Little Princess' is added.
 ㄴ At the user lobby before clearing chapter 16, existing and new mail notification voices are randomly output.
 ㄴ Only new mail notification voices is output at the user lobby for clearing chapter 16.

Error Correction and Improvement
- Fixed the issue where Alef's English voice actor name was displayed incorrectly in English.

3. World Opening Event
- Main World Additional Celebration Event: Two Demon Queens
  ㄴ Event time: 2023-09-05 after maintenance ~ 2023-09-19 before maintenance 
  ㄴ Reward Receivable Time: 2023-09-26 04:59:59 UTC* 
  ㄴ Daily Event Mission end time: 2023-09-18 14:59:59 UTC*
  ㄴ Event Mission end time: 2023-09-19 before maintenance
  ㄴ Bonus Hero: <+50%> Overlord of the East Morrian <+20%> Kamael, Craig, Marianne, Loraine, Knight Male/Female
  ㄴ Event Rift Stage x6
  ㄴ Event Mission, Obtain accumulated point reward
  ㄴ Event mission details
       - Accumulated stamina consumption mission
       - Daily stamina consumption mission
       - Event Rift Clear Count Mission

※ Available after completing the World 16: Reunion.

4. Summon and Pick-up Event
Hero Pick-up Event
- Event time: 2023-09-05 after maintenance ~ 2023-10-03 before maintenance (4-week Pickup)
  ㄴ Pick-up Hero 1: ★★★ Overlord of the East Morrian

- Event time : 2023-09-05 after maintenance ~ 2023-09-19 before maintenance (2-week Pickup)
  ㄴ Pick-up Hero 2: ★★★ Santa's Little Helper Rue
  ㄴ Pick-up Hero 3: ★★★ God of Harvest Kamael
  ㄴ Pick-up Hero 4: ★★★ Huntress Rosetta

Equipment Pick-up Event
- Event time: 2023-09-05 after maintenance ~ 2023-10-03 before maintenance (4-week Pickup)
  ㄴ Pick-up Equipment 1: ★★★★★ Alraune

- Event time: 2023-09-05 after maintenance ~ 2023-09-19 before maintenance (2-week Pickup)
  ㄴ Pick-up Equipment 2: ★★★★★ Nightmare
  ㄴ Pick-up Equipment 3: ★★★★★ Terminator
  ㄴ Pick-up Equipment 4: ★★★★★ Equinox
  ㄴ Pick-up Equipment 5: ★★★★★ Ratel

5. Free Summon Event
- [Main Screen] - You can use summon 10x 1 time a day for free in [Summon]. (Summon up to 50 times for free, 5 days from the first access within the event period)
- Event time: 2023-09-05 after maintenance ~ 2023-09-18 (Wed) 14:59:59 UTC*

- Event Participation precautions
  ㄴ You can choose between Pick-up Hero Summon, Normal Pick-up Hero Summon, Pick-up Equipment Summon, and Normal Equipment Summon.

6. Log-in Event
Login Event: End of Summer Login event
  ㄴ Event time : 2023-09-05 after maintenance ~ 2023-09-19 before maintenance
  ㄴ You can still check login rewards for 20 days after the event is over.
  ㄴ Rewards:

Day 1: Stamina x50
Day 2: Awakening Dungeon Box (Lv.70) x5
Day 3: Star Piece x5
Day 4: Option Change Stone x5
Day 5: Gold x200000
Day 6: Strengthening Hammer Lv.50 x1
Day 7: Legendary Awakening Stone x5
Day 8: Stamina x50
Day 9: Awakening Dungeon Box (Lv.70) x5
Day 10: Star Piece x5
Day 11: Option Lock Stone x5
Day 12: Gold x200000
Day 13: Strengthening Hammer Lv.50 x1
Day 14: Hero Crystal x20

7. Boost Event
- The 'Boost Event' allows you to earn double rewards unlimitedly during the event period.
  ㄴ Boost Event will be applied to World Exploration content in this update.
  ㄴ Event time: 2023-09-05 after maintenance ~ 2023-09-19 before maintenance

8. Guarantee Summon Paid Gem Event
- [Main Menu] - [Summon] You can use the paid Gem Summon event during the event.
- Event time: 2023-09-05 after maintenance ~ 2023-09-19 before maintenance
- Event caution:
   ㄴ You can select and use the desired summon between the Unique Hero Guarantee summons and the Epic-only equipment Guarantee summons.
   ㄴ Unique hero Guarantee summons and Epic equipment Guarantee summons are available once for each. 
   ㄴ When 10 paid Gems are summoned, a unique hero or Epic equipment will be provided as Guarantee. 
   ㄴ The probabilities of unique heroes and Epic weapons are all the same.
   ㄴ Summons that activated in the paid gem guaranteed summons will be activated separately from the count of the number of One Chance Guaranteed Summon.

9. Guild Raid
Guild Raid "By Four, They Come"
  ㄴSchedule: 2023-09-07 00:00:00 ~ 2023-09-13 15:59:59 UTC
  ㄴBoss list: Nine-tailed Fox Garam (Light), Altered Mad Panda MK-3 (Basic), Goblin Chief (Fire), Grand Admiral Marina (Water)

10. Guild Meteor Excavation
- New season of Meteor Excavation has started.
- Season time: 2023-09-14 00:00:00 ~ 2023-09-20 15:59:59 UTC*

11. Co-Op Mode
Co-op mode change
- CO-OP mode has been changed, and the new season of CO-OP mode has started.
- Season time : 2023-09-11 16:00:00 ~ 2023-09-17 15:59:59 UTC*

12. Kama-ZONE
New Season
- Kama-ZONE new season has started.
  ㄴ Season time: 2023-09-05 after maintenance ~ 2023-10-03 before maintenance
  ㄴ Artifacts and special events with a 'Western Movies' theme is returned.

13. Mission
Beginner Mission added
- New Beginner mission is added.
  ㄴ World 17 Clear Beginner Mission is added.

※ World 17 Clear Beginner Mission is included a mission to get Coffee Grinders.

[Revise] Beginner, Challenge Mission
 - Beginner, Challenge Mission content errors are fixed.
  ㄴ Plant Ancient Seeds N Times -> Plant seeds N times on the farm.

[Revise] Beginner, Challenge Mission
- Mission of Kanterbury Guardian Basic Training World 11 is changed.
  ㄴ [Before] Limit break 2 or more Epic Equipment 1 time or more.
  ㄴ [After] Limit break 1 or more Epic Equipment 2 times or more.

14. Maximum Level Increase
Hero maximum level increase
- When World 16 'Reunion' is cleared, the hero's maximum level is extended to 90.
  ㄴ For heroes level 88 or higher, the level or exp gauge will increase immediately after the update.

Equipment maximum level increase
- The maximum level of the equipment is extended to 90.
  ㄴ For equipment level 88 or higher, the level or exp gauge will increase immediately after the update.

Amount of Exp required for hero level-up adjusted
- The amount of EXP required is reduced when leveling up from level 1 to level 75.
※ Heroes in possession before clearing World 16 'Reunion' may be marked as exceeding the level limit, but this will not affect gameplay.

15. New Collection
- New collection of "While Demon World Stares at the Thorns, I See the Flower" is added.

16. Shop
Purple Coin
- Products can now be purchased with World 17 Purple Coins
※ Coffee Grinder products are added to the World 17 Purple Coin product.

Resource
Coffee Grinder
- Coffee grinders can be purchased with Star Pieces.

17. Shop - Costume
Hero costume
  ㄴ Flute Playing Knight
  ㄴ Demon-disguised Knight (M)
  ㄴ Demon-disguised Knight (F)
  ㄴ Fruit Picking Hana
  ㄴ Farmer Future Knight
  ㄴ Time Fisher Kamael
  ㄴ Scarecrow Clara
  ㄴ Fairy Plitvice
  ㄴ Yeti and Alef
  ㄴ Forest Golem Craig
  ㄴ Flower Fairy Aoba
  ㄴ Pretty Woman Nari
  ㄴ Pretty Boy Garam
  ㄴ Mayreel as Maid
  ㄴ Lynn as DUI Patrol
  ㄴ Bathing Rosetta

Equipment costume
  ㄴ Corn Gun
  ㄴ Harvest Staff
  ㄴ Fishing Rod
  ㄴ Straw Bow
  ㄴ Ferocious Cat's Paw
  ㄴ Police Club of Justice
  ㄴ Police Shield of Aegis
  ㄴ Giant Syringe

18. Shop - Package
1. Limited-time package
- Sale period : 2023-09-05 after maintenance ~ 2023-09-19 before maintenance

1) World 17 Special Package #1 (1 time per account)
- Summon Controller x100, Option Change Stone x60, Option Lock Stone x100, Epic Limit Breaking Hammer x1

2) World 17 Special Package #2 (1 time per account)
- Paid Gem x5,000, Epic Limit Breaking Hammer x1
- Paid Gem (Everyday for 10 days) x2,700

3) World 17 Special Package #3 (6 times per account)
- Paid Gem x2,700, Summon Controller x35, Crafting Accelerator x10 (Bonus product)

4) World 17 Special Package #4 (5 times per account)
- Stamina x1,000, Crafting Accelerator x3 (Bonus product)

5) World 17 Special Package #5 (2 times per account)
- Gold x1,000,000, Exp x1,000,000, Strengthening Hammer lv.50 x3, Magic Metal x300

6) Special Sale Package (1 time per account)
- Option Change Stone x30, Option Lock Stone x50

7) Special Sale Package (5,000 gems) (1 time per account)
- Option Change Stone x20, Option Lock Stone x20

8) World Exploration Support Package (3,000 gems) (1 time per account)
- Crafting Accelerator x20, Princess' Edict x20

2. Hero Growth Package
1) Unique Hero Growth Package (Overlord of the East Morrian) (2 times per account)
 - Evolution Stone x400, Legendary Awakening Stone x20, Hero Crystal x100, Option Change Stone x10, Option Lock Stone x20

19. Other Error Corrections and Improvements
- Fixed the issue preventing progression in a specific section due to a quest progress problem on the Nightmare World 61 stage.
- Fixed the problem that prevented practicing at the highest level setting in a guild without a record of participating in the guild raid of the previous season while in practice mode.
- Fixed the issue of enemy summoning heroes and summoned monsters attacking each other during AI matching in the Arena.
- Fixed the issue of certain heroes appearing to teleport during their attacks in multiplayer.
- Fixed the issue of being unable to attack enemies normally when some heroes' AI have enemies positioned over walls has been fixed.
- Amy, the Maid on the Beach, will now display her emote correctly during a normal attack.
- Fixed the issue where the skill voice was not playing when using Dark Dragon's Ascension.
- The screen will no longer remain dark if the main character is changed while using a specific weapon skill in the guild.
- Some of the English text in the training room help has been revised.
ㄴ [Before] The Exclusive Equipment Slot opens up based on the weapon level, the number of different Epic Equipments owned, and the total number of Limit Breaks regarding the Epic Equipments you own.
→ [After] The Exclusive Equipment Slot opens up based on the weapon level, the number of different Epic Exclusive Weapons owned, and the total number of Limit Breaks regarding the Epic Equipments you own.

ㄴ [Before] Each effect opens up based on the weapon level, the number of different Epic Equipments owned, and the total number of Limit Breaks regarding the Epic Equipments you own.
→ [After] Each effect opens up based on the weapon level, the number of different Epic Exclusive Weapons owned, and the total number of Limit Breaks regarding the Epic Equipments you own.

20. App icon
- The App icon has been changed.