User blog comment:BerryBandit/Mechanically demanding champions/Quick decision champions/@comment-33628828-20130623013331

Cassiopia is one of the most challenging and rewarding champions for me. Her ult is so bad that it takes luck to get it off well (.5s cast time + about .5s lag = yuck). If you miss someone with your skillshots, then you are completely useless for four seconds of the fight.