Hex from Whispering Strongboxes is removed immediately after applying

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Do these changes now encourage weapon-swapping builds?
No. Your curses will be removed if you lose the skill that applied the curse. Additionally, your Curses will be removed if you die or leave the area.

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We clarified earlier that Curses would expire when you die, however we should have further clarified that this behaviour also applies to anything that dies/expires after applying a Curse.