The darker Sai Routha drew his curved sword and with a yank had the chain whipping around his waist and a small weighted dagger attached to the end.
A large chain flew around the dark Sai Routha's waist as he stood still. 
mnli hypothesis: A large chain flew around the dark Sai Routha's waist as he stood still.  premise: The darker Sai Routha drew his curved sword and with a yank had the chain whipping around his waist and a small weighted dagger attached to the end.