evangelion

The Evas are sentient cyborgs— meaning that they are equal parts machine and equal parts human. However, it is implied that due to the lack of an S² engine core, these giants require an external source of energy to operate, and are therefore technically incomplete ... Unit-01 ate the Angel Leruel to gain its S² engine core

Human Instrumentality Project is a plan to force humanity to undergo evolution by bringing the Third Impact under NERV's control. It is meant to unite all the Lilin Souls as one being after the Third Impact.