And never known it until now.

5834732 If you need any other group, just ask. I can probably find it for you if it exists.

5834774 A group for giving encouragement and constructive criticism to new writers. And a group for keeping tabs on "Totally not a hate group" hate groups like The Temple of Ogaudno, Overly Stupid Fimfiction, and Why.

5834809 For criticism, you could check out these groups:
http://www.fimfiction.net/group/211714
http://www.fimfiction.net/group/197236/overly-extensive-editors
http://www.fimfiction.net/group/202842/ministry-of-peace
http://www.fimfiction.net/group/209991
http://www.fimfiction.net/group/202515/the-crappy-writer-rehabilitation-center
http://www.fimfiction.net/group/27/the-proofreader-group
http://www.fimfiction.net/group/202958/titanomachy
http://www.fimfiction.net/group/200147/looking-for-proofreader
http://www.fimfiction.net/group/198391/platinum-editors
http://www.fimfiction.net/group/198420/proofreaders-editors-authors-and-idealists
http://www.fimfiction.net/group/206300/editor-by-nature
http://www.fimfiction.net/group/202279/need-an-editor-want-to-edit-then-cum-here
http://www.fimfiction.net/group/1977/editors-dreamland
http://www.fimfiction.net/group/198341/editors-for-hire
http://www.fimfiction.net/group/206235/1800editors
http://www.fimfiction.net/group/203773/if-you-are-looking-for-an-editor-im-here
http://www.fimfiction.net/group/197396/folder/4764/1/ready-for-site
http://www.fimfiction.net/group/500/folder/11481/1/main
http://www.fimfiction.net/group/208898
http://www.fimfiction.net/group/209895
http://www.fimfiction.net/group/208904
http://www.fimfiction.net/group/950/folder/11931/1/main
http://www.fimfiction.net/group/200816/the-other-proofreading-group
http://www.fimfiction.net/group/201567/fantasias-library
http://www.fimfiction.net/group/203952/clop-editors/threads
http://www.fimfiction.net/group/205111/reformation
http://www.fimfiction.net/group/203610/folder/29593/1/submissions
http://www.fimfiction.net/group/203541/helpful-helping-place
http://www.fimfiction.net/group/203677/reading-and-understanding-story-technologies-rust
http://www.fimfiction.net/group/211582/folder/55100/1/quick-editproofread-folder
http://www.fimfiction.net/group/203369/nudge-in-the-right-direction/thread/110577/stories-that-need-to-be-proofread
http://www.fimfiction.net/group/205903/the-proofreaders-group
http://www.fimfiction.net/group/209210/folder/47243/1/criticize-section
http://www.fimfiction.net/group/207940/help-with-your-story
http://www.fimfiction.net/group/204988/prereaderseditors
http://www.fimfiction.net/group/203677/reading-and-understanding-story-technologies-rust
http://www.fimfiction.net/group/197153/writers-and-reviewers-institute-for-technical-excellence
http://www.fimfiction.net/group/200289/editorsrus
http://www.fimfiction.net/group/199898/editors-for-struggling-fan-fiction
http://www.fimfiction.net/group/202069/editors-only-group
http://www.fimfiction.net/group/200289/editorsrus
http://www.fimfiction.net/group/207408/need-an-edtior-i-can-help
http://www.fimfiction.net/group/203534/editors-circle-and-artists
http://www.fimfiction.net/group/204248/write-write-love-to-write
http://www.fimfiction.net/group/201936/the-pleasant-commentator-and-review-group
http://www.fimfiction.net/group/210281/criticize-my-work-challenge
http://www.fimfiction.net/group/211136/mister-torgue-reviews
http://www.fimfiction.net/group/204527/the-overly-enthusiastic-league-of-happy-randoponies
http://www.fimfiction.net/group/205452/folder/35708/1/self-submits
http://www.fimfiction.net/group/197544/the-equestrian-critics-society
http://www.fimfiction.net/group/205094/no-limits-reviews
http://www.fimfiction.net/group/211867/folder/56050/1/stories-by-writers
http://www.fimfiction.net/group/201781/the-gem-hunters
http://www.fimfiction.net/group/205008/one-shot-reviews
http://www.fimfiction.net/group/209629/folder/48765/1/to-be-viewing
http://www.fimfiction.net/group/209292/folder/47684/1/up-for-review
http://www.fimfiction.net/group/205788/folder/36737/1/stories-for-reviewno-clop-enless-rated-muture
http://www.fimfiction.net/group/206959/folder/40013/1/advice-needed
http://www.fimfiction.net/group/211843/folder/55931/1/if-you-would-like-an-intelligent-and-thoughtful-review-please-submit-here
http://www.fimfiction.net/group/244/author-support
http://www.fimfiction.net/group/202157/blunt-reviews-group
http://www.fimfiction.net/group/201484/folder/22416/1/submission-folder
http://www.fimfiction.net/group/204552/folder/32553/1/request-folder
http://www.fimfiction.net/group/199339/the-story-review-people-group
http://www.fimfiction.net/group/205920/folder/37133/1/to-be-reviewed
http://www.fimfiction.net/group/208888
http://www.fimfiction.net/group/208897
http://www.fimfiction.net/group/206406/folder/38652/1/thunder039s-review039s
http://www.fimfiction.net/group/205834/folder/36872/1/review-requested
http://www.fimfiction.net/group/206880/folder/39871/1/self-admission
http://www.fimfiction.net/group/206911/honest-reviewers-united
http://www.fimfiction.net/group/201237/the-character-creation-and-writing-academy
http://www.fimfiction.net/group/211983/folder/56413/1/submissions
http://www.fimfiction.net/group/209869/writers-journal
http://www.fimfiction.net/group/209863
http://www.fimfiction.net/group/203549/supportive-commentary-club
http://www.fimfiction.net/group/201710/folder/33362/1/stories
http://www.fimfiction.net/group/201778/folder/37427/1/tear-my-story-to-shreds
http://www.fimfiction.net/group/204461/fanfic-writing-support-group
http://www.fimfiction.net/group/207014/folder/40162/1/stories-for-review
http://www.fimfiction.net/group/210571
http://www.fimfiction.net/group/210540/scriptores-nocte
http://www.fimfiction.net/group/210601/novas-critice-corner/threads
http://www.fimfiction.net/group/208029/mlp-critics
http://www.fimfiction.net/group/197153/writers-and-reviewers-institute-for-technical-excellence
http://www.fimfiction.net/group/206511/folder/39029/1/stories-to-be-reviewed
http://www.fimfiction.net/group/203727/reviews-for-all
http://www.fimfiction.net/group/204385/misunderstood-writers
http://www.fimfiction.net/group/203334/terrasora-needs-your-help
http://www.fimfiction.net/group/204258/reality-reviews
http://www.fimfiction.net/group/202016/folder/31480/1/pending-review
http://www.fimfiction.net/group/207677/folder/42211/1/requested-reviews
http://www.fimfiction.net/group/210264/cloudsdale-reviews
http://www.fimfiction.net/group/204801/folder/33399/1/stories-you-want-us-to-read

As for the other thing, you might want to add it to the list here:
https://www.fimfiction.net/group/205258/new-groups/thread/136455/ideas-for-new-groups

5834875 Thank you, this is a lot more than I expected. As for the other thing, I added it in a post.

What are the best groups for OCs, fics that feature OCs, and fans of OCs?