Recently bought the game off GoG, installed via GoG Galaxy.
I'm having an issue with the quest "Elf-Orc Blood Feud". I've managed to pickpocket the bloody amulet from Eglandaer, and I'd ask Aureus to arrest Eglandaer, who's apparently send a Legionnaire. The first time, the Legionnaire appeared and "arrested" Eglandaer, and walked off, but Eglandaer didn't follow. Since then, after reloading a previous save, the Legionnaire doesn't appear at all.