Alex turned around using his concentration to feel Robin coming from behind, he used his baton to block her attack when she was on the ground he quickly put the baton away and reached at her belt, he grabbed her grapnel hook, he jumped and used her as a launcher to fling himself over to Kid flash and Clarence, he landed next to them both and put a bomb on Clarence's back. 

Karen started charging towards Alex while he planted the bomb on Clarence, but he turned to her and used the grapnel hook to zip over to her, when he got close to her he kicked her in the face, and she landed on the cold snow face first groaning and feeling angry," Thanks, I always wanted one of these." Alex checked the time seeing it was three o'clock in the morning, Alex smiled and used the grapnel hook on a building and zipped to the top of it,