These are what we call the 'YMMV items.' Things that some people find in this work. We call them 'your mileage might vary' because not everyone sees these things in the same way. This starts discussions in the trope lists, a thing we don't want. Please use the discussion page if you'd like to discuss any of these items.
The aforementioned Bonus Boss, as well as the general atmosphere of the area leading up to it.
Leon's best friend in the universe, whom he trusted above all else, has betrayed him, used him, and doomed his fiance to a horrible fate, all to become a godless abomination as revenge on God for his own wife's death.