[quote=@Zarkun]
<Snipped quote by Expolar>

Venasaur's ultimate move in FireRed and LeafGreen essentially. Why do you ask? XD

<Snipped quote by Silver Fox>

She's still on his back.
[/quote]

You and I thought the same thing.

And I'd imagine a limp body being easily thrown off by a rampaging dragon. Karn is only staying on because he has claws dug in.