I think what pushes Annie over the top are her Q and passive.
It's one thing to have good lane sustainability and mana refunds/regen, but a full refund on a nuke?
It's one thing to have a stun, but a stun attached to that nuke? And two AoE stuns?
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I like how each new topic you make reveals such varied facets of your idiocy. - foolmo
Now this is entertainment!