Hey,
just found a neat exploit while doing the new quests on ptr. i'm talking about this specific quest:
Arrest the Infiltrators
you have to arrest 5 (!) infiltrators with an item called "Heavy Manacles". but it is not limited to 5 - you can use it endlessly. here is a screenshot how it looks. nothing enormous useful, but pretty fun none the less. have fun while it lasts:
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edit: they even stay at your side when you already turned in that quest