Crimson Desert
Looks like there is no worth mentioning compression.
Extracted and processed Wwise audio
Code:
09:53:27 - Selected ARC/DS method for Data1a-01.bin was: xtool:dd3:l10,d128mb
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12:39:04 - Overall input size: 126,09 GB
12:39:04 - Overall output size: 73,57 GB (Ratio 58.35%)
12:39:04 - Overall conversion time: 02:45:36