The energy could also be blocked by someone powerful in the ways of the Force, as shown by Tano during her confrontation with Sidious. The process proved extremely taxing on her however, and she was left exhausted as a result. Any physical manifestations could also be severed with the use of a lightsaber, as was the case when Ahsoka used her lightsabers to cut the energy wrapped around Ezra's leg, severing the connection and causing significant pain to Sidious in the process.