Certis is a fighter who is based on Cervantes and she appears in Tower Of Lost Souls ascend mode under the floor "Threatening Mirror" and reappears in Soulcalibur: Broken Destiny this time being based on Xianghua.
Tower Of Lost Souls Details & Skills
TOLS Ascend Mode Floor: Threatening Mirror
Skills: Knock Down
Auto Grapple Break B
Auto Counter B
Skills On Descend Mode: Knock Down
Soul Gauge Recovery B