Issue is that I don't know the specialness in the traits and I haven't found a full list of all traits I possess as well. Are those special traits only visible/applicable in the correct form? Otherwise, you have a special item to show forms and their abilities. You could provide such an item for the special foes or simply update the existing one.
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Yes the traits are only visible in the skill menu, under passive skills when in the form.
All forms have two trait skills, (expect Kitsune and Human) so if any form has a third one thats the extra one.
I think i will make an extra quest that will keep track of all the ones defeated already.
I finished a quest for taht now and it will be added in the next version.