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@ThacoBell Placing the barrel eventually makes all crusaders in undergroundriver area hostile, any related voiced dialogues and quests gone, but you can still gain access to DS basement by a special pair of gloves.Thats not how it works for me. I always place the barrel first before going further in. The place doesn't go hostile until the Hephernaan fight. Even then you have some time to clear out before the underground goes hostile. You can even tell the door guard to seal the doors and not let anyone through on your way out. If you do, the crusaders in the underground river never go hostile. You can just waltz out.