In the Develop menu, make sure that "Enable Data File Debugging" is turned on. Then, again in the Develop menu, choose "Floating Info Windows", then "Show Hero Tags". Watch that list of tags for changes as you add and delete copies of your ability.
Remember, tags always have two elements - a group Id and the tag id, separated by a ".". So, it'll be GroupId.xIceArmor, not just xIceArmor by itself.
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