Hello, GM Delia here.
The beginning of another legend, 

We sincerely thank all Knights who enjoy Gran Saga IDLE, and we are pleased to share the update details for July 30 (Thu) as follows.

Update Details

■ Summer Horror Special Event

1. Summer Horror Special Login Event
A login event where you can obtain Summer Horror Special limited items.

• Event Period : After the July 30 (Thu) update ~ August 26 (Wed) 23:59 (UTC)
• Details : 7-Day Login Board x4, 28-Day Login Board x1

2. Summer Horror Special Costumes (Rerun)
The Summer Horror Special costumes return in a combined rerun for another chance to obtain them.
Meet the heroes in charming looks that will chase away the summer chills!

• Period : After the July 30 (Thu) update ~ August 26 (Wed) 23:59 (UTC)
• Costumes : [Gold] Soul Guardian Eunha, [Silver] Enchanting Guide Yuna, [Gold-Dia] Bulwark Black Rabbit Caelum, [Costume Pass] Onslaught White Rabbit Talon
  

3. Summer Horror Special Orchid Rate-Up & Costume (Rerun) (Added Jul 28, 09:45 (UTC))
Starting from Week 3 of the Summer Horror Special, the Orchid rate-up and costume summon are additionally available.

• Orchid Hero Rate-Up : August 13 (Thu) 00:00 ~ September 9 (Wed) 23:59 (UTC)
• Orchid Costume Summon : August 13 (Thu) 00:00 ~ August 26 (Wed) 23:59 (UTC)
  ※ Please note that the Orchid Hero Rate-Up and Costume Summon have different end dates.

4. Summer Horror Special Pet Summon (Rerun)
Even eerie summer nights feel safe with "Underworld Tiger"! "Underworld Tiger" returns for a limited time.

■ Content Update

1. World Challenge - Master League (Wind)

• Period : July 30 00:00 ~ August 5 23:59 (UTC)
• Eligibility : Reached Ordeal Lv.5 in [Challenge: Trial of Fire - First Half]

1. World Arena - Elite League

• Period : July 30 00:00 ~ August 5 23:59 (UTC)
• Eligibility : Scored 3,000 or higher in [Arena Season 79]

1. Tower of Ordeals

• Period : July 30 00:00 ~ August 26 23:59 (UTC)

■ Other Improvements & Fixes

• Fixed an issue where some World content rewards could not be claimed under certain conditions.
• Shop Update : The Summer Horror Special commemorative packages are now on sale.

※ Any changes will be announced again through the notice board.
※ Please fully close the game before maintenance begins to protect your data.

We will continue to work hard to provide a more enjoyable Gran Saga IDLE experience.

Thank you.