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| Voice Actor
| Recruit Condition
| Preferred Weapon
|Minimum ATK||Maximum ATK||Minimum HP||Maximum HP|
| ||Merculight||5 turns||1 turn / 3 turns|| Lvl 1 |
⇧ Lvl 55
| Gain Other Self and 33% Attack UP. |
Level 55: Attack UP increases to 50%.
| ||Depravity|| 8 turns|
|180 sec|| Lvl 1 |
⇧ Lvl 75
|Inflict various debuffs on all enemies.|
| ||The Clincher||7 turns||-|| Lvl 45 ||Big damage to one enemy based on the number of its debuffs.|
|Dark Huntress||1||Normal attacks hit all enemies.|
|Astral Howitzer||Massive Light damage to one enemy and inflict Paralysis (60 seconds).|
- Tweyen's name in Japanese is ソーン, which has earned a number of different romanizations in the English-speaking community, including Song, Sorn, and Thorn.
- Her name in Japanese stand for ๒ means number 2 in Thai language.
- Depravity can inflict any or all of the following debuffs: