Krystal smiles at Gird. That might come in handy.
Then comes the club throwing. Now, Krystal can throw her crystals like a club, but that'd probably just end up like how she normally throws them. So, she tries her other normal fighting technique.
This time, she produces a crystal from her elbow. She pulls it out and holds it like a club. Then she'll rush a crate and smash it with a powerful swing.