Izanami

To begin the technique, after selecting any arbitrary moment, the caster uses their Sharingan to remember the physical sensations both of their body and that of their opponent's during that instant like a photograph (represented as: A). The user must then intentionally replicate the same sensation and in the same way, memorise that instant with their Sharingan (represented as: A'). Izanami overlaps and connects these two identical bodily sensations (A and A'), as well as the flow of time between them, creating an infinite loop of events that entraps the opponent's consciousness. The user can also use their Sharingan to remember multiple sensations, (represented as B, C and so forth) and those sensations will also be used when Izanami is activated. The user also doesn't need necessarily to replicate A with A' to initiate Izanami. They can also replicate B with B' or C with C' as well. The more sensations they memorise, the better their chances would be to initiate Izanami on a person and the more sensations the victim will experience each time they repeat a loop.^[5][6]
Whilst under the effects of the technique, the target stands motionlessly as the loop of events continually replays inside their mind.^[7] Each time a loop is repeated, any physical damage incurred is reset as it were before the start of the loop, although the remains of severed appendages do not disappear.^[8] The illusion of the user and anyone they were fighting alongside also have any damage reset as well such as the blindness that comes with Izanami. Despite being able to become consciously aware of their situation and act differently, the victim is unable to significantly alter or escape from the inevitable progression of these events. However, because this technique was created to reprimand and save the users of Izanagi, the victim is able to escape the infinite loop if they can acknowledge the real results of their actions and in doing so, accept their fate.^[9] In the anime, it's shown that there is no other way to undo this technique even by someone who has complete control over their chakra. The illusion of the caster also seems to be sentient as the illusionary Itachi was shown to be shaking his head when Kabuto futilely tried to undo the technique without accepting his fate first.^[10]