“You of all people should know: great deeds require great sacrifice. Isn’t that the law of equivalent exchange?”
“Save your breath. The laws of alchemy don’t justify murder.”
For the job of killing monsters specifically, creatures were techniques like parrying and blocking would likely prove ineffective against, and given your understanding of weapons, which do you think would be a better choice for Geralt: A straight sword (like the english longsword or scottish claymore) or a more curved sword (like a saber or katana)? Why?