Board Thread:Episode Discussion/@comment-168.213.7.119-20160216153447/@comment-26397825-20160301003753

Transforming in the middle of battle means he goes from full sized human to full sized crow, which is a big sizze difference and can allow him to dodge a strike and be harder to hit while also repositioning himself in the prime location to transform back to human and deal a critical strike to a weak point.

Just how transformation into something so small can help in battle.