There's more. Admins, please add a report function for boards so these boards can be reported quietly, instead of me having to post about them and potentially giving them users.
Ones talking about/requesting CP
https://endchan.net/PTHCVids/
https://endchan.net/sugerdafy/
https://endchan.net/jujc52ucy2pf/ (This one has a literal link to a telegram where a person is trying to sell CP)
Requesting monkey torture
https://endchan.net/monkey/
https://endchan.net/monkeyhate/
https://endchan.net/trillionpity/
https://endchan.net/Treerat/
https://endchan.net/Treerats/
https://endchan.net/Monkey/
https://endchan.net/Millionpity/
https://endchan.net/MonkeyHate/
https://endchan.net/MillionPity/
https://endchan.net/Monke/
https://endchan.net/Monkeyhate/
Spam boards
https://endchan.net/KarenMafia/
https://endchan.net/karenmafia/
https://endchan.net/yh/
https://endchan.net/gabrjoooj/
https://endchan.net/iluvgeifuarfqarg/
https://endchan.net/kskskw/

The linked boards don't have content on them.
You can report posts with the report form at the bottom of the page.
I dunno if reporting boards is necessary. They can open a new board, look at how many they dedicated to what you claim to be monkey torture. Not sure how can sou tell. I mean "monkeyhate" could be a giveaway, but it could be hating on any kind of people essentially (like how Brazilians are called monkeys on imageboards).
As for telegram link, or links to stuff in board description, we're gonna discuss it.
Btw, if you see monkey torture, pls report. "Animal crush" is not free speech.