The inclusion of a character like Ciri is one such example which enhanced the story of the game substantially.
A fight against Triss would be no exception.
Suffice to say, Triss won’t be completely in the clear until she outright wins this battle.
3TRISS: She Can Use Magical Barriers To Protect Her
However, Triss isn’t completely defenseless.
In this case, Ciri might find her emotions powering up her attack.
It’s already known that emotions can enhance Ciri’s attack, and this hatred is no exception.
She was brave enough to weather the torture of Menge and his goonsjust to get some vital information.