- This monster is a younger version of "Archfiend Empress".
- Like its older version, "Heiress" is noticeably less daemonic in appearance than most Archfiends.
- This monster has an upgraded version named "Archfiend Eccentrick", both have similar appearances, the same Level, Type.
- This is also supported by the fact that their names are almost identical in Japanese, as Heiress' original name was "Trick". So their names are "Torikku Dēmon" and "Ekisentorikku Dēmon" respectively.
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