When full AP Nami buys a ''Hextech Protobelt-01''...

Feels like a being stabbed in your gut as you miss your target?

Uhm... Uhm... starts improvising

Where are the rocket's

Uhm... Banshee's Veils.

how can one for all gang planks not kite one nami?

She just slowed them with her ult.

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With the way her E works, I'd say this looks pretty fun =P

for realz though, I've played this a few times with varying success. My build is

You'll be maxing Q for waveclear, the mana regen on morello's will be needed. Luden's obviously gives more bite to your spells. Rylai's is amazing for Nami's W, slowing enemies while speeding allies with each bounce + the health gives nice survivability. Liandry since all your spells slow now, you have low bases so you need high pen. Rabadon is the cherry on top/could also go void staff for more pen.

Pirates of the Carribean: On Stranger Tides.