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.
YMMV: City of Reality
Nightmare Fuel — The Magic World version of the rewind device. The fact that it looks very similar to The Legend of Zelda: Majora's Mask does NOT help, nor the fact that it comes off as sentient and sadistic, even though the only time it actively goes against the heroes, blocking a shortcut, a later Bad Ending suggests they'd have been killed by the Hierarchy if they'd taken it.
Berserk Button — Todo gets agressive 2/3 of the times A.V. is seriously injured(from his point of view), given most times he has other excuses as well.