Sacred Stone Memories is a separate series of event quests which releases new chapters periodically introducing new units and farmable gear each time, as well as offering a large amount of rewards through missions and milestones. There are also side stories which are only available for short periods.
Main Story
The main story is available permanently. The following is every chapter released thus far:
Sacred Stone Memories - Demonic Spearman
Chapter 2
Sacred Stone Memories - Arrow of Destiny
Chapter 3
Sacred Stone Memories - Inherited Cause
Chapter 4
Sacred Stone Memories - Fallen Sun
Chapter 5
Side Stories
The side stories are available only for short periods. The following is every side story released thus far:
Hourglass of Life and Death
Sacred Stone Memories - Side Story
Event History
Main Story
- Chapter 1 released January 4, 2018
- Chapter 2 released February 1, 2018
- Chapter 3 released March 1, 2018
- Chatper 4 released May 3, 2018
- Chapter 5 released June 7, 2018 (event changed to be permanent at this time)
- Chapter 6 released August 30, 2018
- Chapter 7 released October 11, 2018
- Chapter 8 released December 6, 2018
- Chapter 9 released January 31, 2019
Side Stories
- Hourglass of Life and Death released October 4, 2018