Bruce's Ki laced into his chains reacted to the new strands- from those on the floor threads, thin enough to thread through the links, flew up toward the oncoming chains. Upon threading through one link, the threads would expand and merge with Bruce's ceiling chains. 

His lengths of chain between himself and the saw bearing for him grew new strands, connecting with those on the floor, yet they held considerable slack, the intent not on outright stopping the attack but slowing it down.

Bruce charged forward, mace still in hand. Without preamble or pomp, he summoned his new power created a giant circular slab of stone to stand between him and Nexus. With a heave, he smashed the mace into it's flat side and sent it toward his opponent.