As Cassandra worked on the Serpent, the vague image she'd had before got a little clearer. She'd just grabbed parts that she thought might be useful, no real 'plan'. But as she put the main suit together how she'd use those parts she grabbed came into focus. The missile pods would go on the legs, and the Shield Gatling would go on the arms, along with the Beam Gatling, though she still wasn't sure how yet.