New systems "Legacy", "Magic" and "Mystic Gate" will be added from this DLC.
The game balance and the way to enjoy the game will be significantly changed from this DLC compared to the DLC before Chapter-5.
(Please make a decision to purchase the DLC for Chapter-7 or later only after purchasing this DLC.)

Chapter-6 includes the following three stages.

[6-1 Final tutorial]
[6-2 Tactical towers OLD]
[6-3 (very hard) Rainbow tactical mythology]

It is recommended that you have 100+ Sunstone before purchasing this DLC.