In Kanbalar Jude has noticed a drop in temperature at the Kukhar Ice Caverns and needs you help to investigate, with the assumption that Celsius is behind the anomaly.
Check your party set-up and then warp over to Kukhar Ice Caverns and make your way to the Lake Area.
If you haven’t taken out the Elite Monster due to saving it for the trophy you may need to engage it and escape or simply run over to Celsius and talk to her to begin a cutscene.
Weakness: Fire, Slash
If you made the Prometheus (Fire) dual blades they will come in handy for this fight. Celsuis is fast, but her low level of Iron Stance means that you can stagger her pretty easy by attacking her weakness to get off some decent combo chains. If your fourth party member is an artes user, such as Rowen or Muzet, you’ll want them to focus on fire-based artes, but if it is Alvin or Gaius you’ll want to have them focus on guard breaks.
Many of Celsius’ skill cause freezing, such as Ice-Blade Thrust and Ice-Blade Havoc, which can be deadly due to the inability to block her other deadly attacks. In addition to freezing your party Celsius will also Stun the party by using Ice Calamity, in which she creates a bubble around her that explodes and stuns anyone within range. Once frozen or stunned Celsius can easily hit you with Swallow Dance or Frost Spears, both of which inflict heavy damage when not guarded.
After the fight you learn that Celsius’ mana was almost fully exhausted in the fight with Gilland on the E.S.S. Zenethra.
As a last wish, sort of, Celsius wishes to visit the places she remembers from the past: Kijara Seafalls, Fennmont, and Fort Gandala.