No, they didn't fix the thing where you can pin him on the plants. I had never killed, let alone kited KV before, and i went into an LS that regularly did him. I was asked to go out as NIN one day to hold, and someone told me to take to the cactus thing... and it was a cake walk. My first KV kite wasn't long (maybe 40 minutes?) but the next couple days were like 2 hours. You can hold him forever as long as you aren't a retard.
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