JJK's power system can get confusing so we've gone ahead and put together the ultimate guide to try and help things seem a bit less intimidating. This isn't an opinion on how good the power system from a combat POV is, just a clean breakdown. But if you do want to see how the JJK power system works narratively within the story and why its perfectly paired with the worldbuilding and character writing, check out this link here!
:https://www.youtube.com/watch?v=QFNrneZ4gyk&t=182s
1:33 - Cursed Energy
2:50 - Cursed Energy Manipulation
3:41 - Taijutsu
3:55 - Black Flash
4:47 - Divergent Fist
5:13 - Innate Techniques
5:42 - Inherited Techniques
6:23 - Non-Inherited Techniques
6:47 - Cursed Technique - Lapse
7:01 - Reversed Cursed Technique (RCT)
7:57 - Cursed Energy Reinforcement
8:24 - Cursed Energy Reserves
9:16 - Cursed Energy Output
9:56 - Binding Vow
10:37 - Technique Reversal
11:03 - Extension Technique
11:36 - Innate Domain
12:00 - DOMAIN EXPANSION
13:05 - Curtain/Veil
13:37 - Barrier Techniques
14:04 - New Shadow Style + Simple Domain
14:42 - Domain Amplification
15:00 - Grading System