Huhu,
this is no major bug since it doesn’t affect my progress, but I noticed that there are missing audio files almost at the end of the personal story mission “Forging the Pact”.
It happens right after Dzudhin Stormbreak appears. You leave the cave and can read the text he should say during the cutscene, but the audio is missing. When the fight starts, he will find the courage to talk normally again :)