Champs that were surprisingly a pain to remember when I was a LoL newbie

Top From Freljord Helmet Warrior Similar splash art composition Ulting makes them不受限制 (CC immunity/immortality)

These two were hard to remember and confusing, even though their pick rate isn't that low and their skills aren't that complex lololol

+) Why did I think Olaf was missing his shirt.. I guess I still haven't memorized him then lolololol ffs lol