Pulse or Cocoon?
Probably Pulse.

Where would your brand be?
On my forehead. I always feel like my faults are visible to the world.

What colour and shape would your crystal be?
Sea green! And... the shape of a cut gemstone.

How would you break it?
Cast it to the bottom of a canyon.

What is your Eidolon?
Whyt! J/k. Knights of the Round doesn't fit well, so... Phoenix.

What is it's Gestalt Mode?
I leap into the air. Phoenix swoops under me, and I land on its back.

What is your Focus?
SPOILER.

To expose the corruption of the Cocoon fal'Cie.

Will you be a Cie'th, or a pretty crystal?
Probably a crystal.