"It is taken care of. Nothing will not break into my Pit or the Far Reaches!" suggests a strong confidence in handling threats or dangers within certain areas, emphasizing security and control. The speaker reassures that their domain is well protected and safe from outside harm, highlighting their expertise or familiarity with the situation.

"I cannot speak for the other parts of the House, but we have Nothing well in hand here. I understand Nothing as no one else does!" indicates that while their control is assured in their specific area, they are aware of the importance and unique nature of "Nothing." The phrase underscores their mastery over this concept or entity, affirming their exclusive understanding and command over it.