The Kids Next Door are very skilled and brave but at the end of the day, they're just little kids. Which makes this whole thing very traumatic for Nigel (#1 I assume) to witness what's become of his friends.
When you think about it this wouldn't be the first time he had to fight his friends spoiler alert in the KND movie operation zero He had to fight his friends
Welp time for E: The survivors are:Nigel uno [aka numbuh 1] The corrupted:Hoagie.Jr kuki Sanban Wally Beatles Abigail Lincoln and at 4:14 the wild rabbit herself -at 3:26 Wally resists but is a ruse and attacks Nigel half corrupting him at 3:34 -at 3:43 bun bun and Nigel talks and later on she reveals herself at 4:04 -at 5:07 Nigel reists angering the corrupted characters -at the end Nigel flees and he encounters Jimmy fighting corrupted Chad Voicelines: "It's pretty quit in here maybe there on an mission"- Nigel "Nigel am right hereee" -fake out hoagie "Hoagie?" -Nigel "OPEN YOUR EYES Nigel Give up C 0 N T 0 R L" -Corrupted hoagie "N1G€LLLLL *laugh*" -corrupted kuki "Kuki? What happened to you" -Nigel after encountering Kuki "Wally? Not you to"-Nigel "Let me out 1 CÆNT T4K€ THE P41N"-Wally resisting "P4TĦ€2TC" -hoagie after Wally attacks Nigel "SEE THE LIGHT" -Abigail "WHATS WRONG N1G€L JU$T T0 4F4R1D 0F TĦ€ TRUTĦ" "Y0U'R€ OUTNUMBERED 4 T0 1" -Wally -ŴĦ4TTTTT YOU DENISE MOTHER FUCKER"-Abigail -No no NO IM NOT GONNA JOIN YOU SICK MONSTERS"-Nigel after resisting "AM GONNA RIP YOU 4 P 4 R T" -Wally "BRING HIM TO HIS KŅ€€$ BUN BUN" -kuki "I know there's a way to save you guys and I am gonna find it" -Nigel before he flees -TEAR HIM DOWNNN-hoagie