NINJA GAIDEN 2 Black

There are 30 Crystal Skulls to find across the first 14 chapters of the game; however, the chapters that we play as other characters that aren’t Hyabusa (Chapters 5, 8, 11) have no skulls in them. The levels are linear so all of these are found along the path for forward progress. It is important to note that while many of these skulls are in the same locations as in Ninja Gaiden Sigma 2, a couple have been moved slightly.

Crystal Skulls carryover between playthroughs, so if you miss any you can just replay and collect the ones you missed!

Video Guide

00:00 Crystal Skull 1 (Chapter 1)
00:20 Crystal Skull 2 (Chapter 1)
00:45 Crystal Skull 3 (Chapter 2)
01:16 Crystal Skull 4 (Chapter 2)
01:36 Crystal Skull 5 (Chapter 3)
02:00 Crystal Skull 6 (Chapter 3)
02:20 Crystal Skull 7 (Chapter 4)
02:46 Crystal Skull 8 (Chapter 4)
03:04 Crystal Skull 9 (Chapter 4)
03:30 Crystal Skull 10 (Chapter 6)
04:00 Crystal Skull 11 (Chapter 6)
04:15 Crystal Skull 12 (Chapter 6)
04:38 Crystal Skull 13 (Chapter 7)
05:06 Crystal Skull 14 (Chapter 7)
05:24 Crystal Skull 15 (Chapter 7)
05:46 Crystal Skull 16 (Chapter 9)
05:59 Crystal Skull 17 (Chapter 9)
06:20 Crystal Skull 18 (Chapter 10)
06:41 Crystal Skull 19 (Chapter 10)
07:00 Crystal Skull 20 (Chapter 10)
07:16 Crystal Skull 21 (Chapter 10)
07:40 Crystal Skull 22 (Chapter 12)
08:01 Crystal Skull 23 (Chapter 12)
08:27 Crystal Skull 24 (Chapter 12)
08:41 Crystal Skull 25 (Chapter 12)
08:58 Crystal Skull 26 (Chapter 13)
09:30 Crystal Skull 27 (Chapter 13)
09:51 Crystal Skull 28 (Chapter 14)
10:11 Crystal Skull 29 (Chapter 14)
10:26 Crystal Skull 30 (Chapter 14)

There are 30 total Crystal Skulls spread throughout chapters 1-11. They are the same amount and in the same locations as the original Ninja Gaiden Sigma 2, so you can use a guide from that game, and you don't have to worry about new crystal skulls, as there are none.
I attach a written guide and a video guide. Credit goes to the authors.
https://www.ign.com/wikis/ninja-gaiden-2-black/Crystal_Skull...

There are 30 Crystal Skulls to find across the first 14 chapters of the game; however, the chapters that we play as other characters that aren’t Hyabusa (Chapters 5, 8, 11) have no skulls in them. The levels are linear so all of these are found along the path for forward progress. It is important to note that while many of these skulls are in the same locations as in Ninja Gaiden Sigma 2, a couple have been moved slightly.

Crystal Skulls carryover between playthroughs, so if you miss any you can just replay and collect the ones you missed!

Video Guide

00:00 Crystal Skull 1 (Chapter 1)
00:20 Crystal Skull 2 (Chapter 1)
00:45 Crystal Skull 3 (Chapter 2)
01:16 Crystal Skull 4 (Chapter 2)
01:36 Crystal Skull 5 (Chapter 3)
02:00 Crystal Skull 6 (Chapter 3)
02:20 Crystal Skull 7 (Chapter 4)
02:46 Crystal Skull 8 (Chapter 4)
03:04 Crystal Skull 9 (Chapter 4)
03:30 Crystal Skull 10 (Chapter 6)
04:00 Crystal Skull 11 (Chapter 6)
04:15 Crystal Skull 12 (Chapter 6)
04:38 Crystal Skull 13 (Chapter 7)
05:06 Crystal Skull 14 (Chapter 7)
05:24 Crystal Skull 15 (Chapter 7)
05:46 Crystal Skull 16 (Chapter 9)
05:59 Crystal Skull 17 (Chapter 9)
06:20 Crystal Skull 18 (Chapter 10)
06:41 Crystal Skull 19 (Chapter 10)
07:00 Crystal Skull 20 (Chapter 10)
07:16 Crystal Skull 21 (Chapter 10)
07:40 Crystal Skull 22 (Chapter 12)
08:01 Crystal Skull 23 (Chapter 12)
08:27 Crystal Skull 24 (Chapter 12)
08:41 Crystal Skull 25 (Chapter 12)
08:58 Crystal Skull 26 (Chapter 13)
09:30 Crystal Skull 27 (Chapter 13)
09:51 Crystal Skull 28 (Chapter 14)
10:11 Crystal Skull 29 (Chapter 14)
10:26 Crystal Skull 30 (Chapter 14)

There are 30 total Crystal Skulls spread throughout chapters 1-11. They are the same amount and in the same locations as the original Ninja Gaiden Sigma 2, so you can use a guide from that game, and you don't have to worry about new crystal skulls, as there are none.
I attach a written guide and a video guide. Credit goes to the authors.
https://www.ign.com/wikis/ninja-gaiden-2-black/Crystal_Skull...