Problem was, how did you stop something that so resembled a living shadow?

The one thing Tsubaki did know was that they couldn't just let him get away. So Sora was forced to split his attention between her and the chain ready to tangle him up, she shot forward, striking out with the blunt part of the scythe. If restraining him without hurting him wouldn't work, then knocking him out of commission was the only way.