The Angel Battles Are a Curriculum
SPOILER!
Early battles teach
NERV and the viewer how unstable the rules are. A.T. Fields, battery limits, different attack geometries and strange forms mean there is no single reliable anti-Angel doctrine.
Why it matters
The fights are not just interruptions between character scenes. Each one changes what NERV thinks an Evangelion can or must do.
Sachiel vs Unit-01: The Eva Fights Back
SPOILER!
Shinji enters
Unit-01 with almost no training and is quickly overwhelmed. After losing consciousness, he is no longer directing the battle.
The Breakdown
Unit-01 reactivates, tears through
Sachiel's defenses and survives the Angel's self-destruction. The victory belongs to something inside the Eva as much as it belongs to Shinji.
Ramiel vs Operation Yashima: NERV Wins by Building a System
SPOILER!
Ramiel's beam and A.T. Field make ordinary approach suicidal.
The Breakdown
Misato turns the battle into an infrastructure problem. Japan's electrical grid powers a positron rifle while Rei protects Shinji long enough for the second shot to land.
WHY IT MATTERS:
This is Evangelion showing that organization, trust and logistics can matter as much as raw Eva strength.
Israfel vs Shinji and Asuka: Perfect Timing Is Not Intimacy
SPOILER!
Israfel can split into two coordinated bodies, so Shinji and Asuka must learn to fight in exact synchronization.
The Breakdown
They succeed by rehearsing movement until their timing becomes almost mechanical.
WHY IT MATTERS:
The episode creates one of the show's funniest victories while making a cruel point: two people can move perfectly together without understanding each other at all.