It is 0 (zero).
The German word for zero is "null."
it comes from the german language
"zero" translates to "Null" in German.
Zwei is the German word for the number two.
Null.
Null
null
null
When it says your monsters mood is feeling null, it means your monster is without value, without effect, doesn't have a consequence, or significance. Well... Null is the german word for zero... so that might have something to do with it! Hope it helped :)
The root word of "null" is the Latin word "nullus," which means "not any" or "none."
Nummer
Null is the translation in German. It is translated from English to German. German is mostly spoken in the European countries.