Apparently the Jinia Guild rescued you from Freya when the battle went awry. Talk about the details with Jinia when entering the hideout of Jinia Guild.

You've entered the secret hideout of Jinia Guild. Have a talk with Jinia.

Sirra appeared once again. She seems to have something to say...

Even though it seems like a bad idea, you have no other choice but to cooperate with Sirra to defeat Freya. Try to talk to Jinia.

Go to the Castle of Ice Queen where Freya awaits. Jinia will be at the entrance of the castle.

You've entered Ice Queen's Castle to defeat her again. Now is the time defeat Freya and bring spring back to this land. Use the Divine Sword and Black Frozen Core, they are your secret weapons in this fight...

You've successfully captured Freya. But... Sirra became the new Ice Queen by killing Felicia and absorbing her power! Try to talk to Jinia.