Are custom skins bannable? : r/leagueoflegends

K/DA + Elderwood Soraka [Custom Skins] : r/SorakaMains

PSA: If you are using programs like LolSkin that allows you to use custom skins/in-game skins, you're most likely going to get permanently banned soon if you don't stop using it

There are too many visually unclear skins in the game. : r/leagueoflegends

LoL 13.23 Patch Notes - League of Legends Guide

Rayquaza Aurelion Sol - KillerSkins

League of Legends $10 Gift Card - NA Server Only [Online Game Code] : Video Games

Malfurious Bard - KillerSkins

Volcanic Fizz - KillerSkins

Can CUSTOM SKINS get you BANNED?! (Or are they safe to use?)

How to Change Your League Cursor in League of Legends - Eloking

Recovered Custom Skins - KillerSkins

Chat Restrictions – League of Legends Support

Legendary: The Story of League of Legends from 2009–2018, by William

Just thought I share this, these are modded fan skins which require you to own the original SG to use but is still in a grey area of being bannable or not