To activate this technique the user must first locate the residual energy left behind from a Space–Time Technique in the vicinity, requiring a pristine level of sensory perception. The time frame that this residual energy can be identified varies amongst different Space–Time Ninjutsu and along with the scale that the technique was performed. This is to say that summoning a massive creature would leave a chakra signature that can be found for longer than a summoning a relatively smaller one. Despite this the chakra signature of any technique usually lasts between an hour and a day, thus being far from permanent in nature. Once the residual chakra signature is identified, the user latches their chakra onto it. Once this is done, the user can can enter a dimensional void at will that with ins