Azalea appears in Soulcalibur IV in tower of lost souls both ascend & descend mode but in ascend mode she is under the floor "Mind Reading Shield" using Seong Mi-na's style and teamed up with Xianghua which she is the boss of the floor.
Soul Calibur IV Skills & Details
2.Auto Impact A
TOLS Ascend Mode Floor: Mind Reading Shield
Partners: Xianghua & Camilla
Weapon: Soul Calibur (Seong Mi-na)
Descend Mode: 4-further.