Althea is fighter who uses Yun-Seong's moveset. She appears in Tower of Lost Souls under the floor "Unseen Sickle".
Tower of Lost Souls[]
Ascend Mode Floor: Unseen Sickle
Partners: Luph & Kilik
Weapon: Dragon Sword
Skills:
- Invisible
- Soul Gauge Boost C
- Nullify Ringout B