There should be an enemies list not just an ignore list
Keep your ignore list but make an enemies list too.
That way ppl can chose to ignore or strangle their hated ones. Showing hatred is one of the few precious pleasures in this life, and I hate to see it unappreciated in mediums such as this. riot, if you have any reason, you would create an enemy list so u cna be aware of the presence of ppl u hate and then matchmake u and ur enmey on oppopsite teams :)