It has 520 heart, 250 juice, 83 attack, 90 defense, 44 speed and 10 luck. It is immune to emotions, and will behave as follow:
75% chance of doing a normal attack.
45% chance of doing nothing.
Else, it will angry itself instead.
Additionally, everyone but Omori will start the battle afraid.
Skills that can be used when observe is used against the target are marked with .
Attack: [2 * a.atk - b.def] (default).
Self angry: Turn the user angry.
* ??? stabs her claws into [target]! * Liar. * ??? starts boiling up!
* ???: [player name]... I'm sorry...
* ??? sways back and forth. 
- Like other Something battles, the fight with Nanci will not finish with the traditional "reward" ending, the screen will also be darker than normal.
- Like all minor somethings, Nanci's name is hidden from sight, being simply called "???", interestingly, all of these names ends with an "i".
- Its do nothing skill, named as "liar" is "described" as:
- "Just for the little basil in black space Not for Abyss".
- For its "do nothing" skill, which is replaced by "liar".