Back Step Clan by Marvin Castelle
4 reviews · 5.0 / 5
Marvin Castelle · Combo
Contents of Dark Thoughts Volume 1 by Marvin Castelle reviews
Contents of Dark Thoughts Volume 1 by Marvin Castelle has 12 customer reviews in this archive, averaging 5.0 out of 5. 100% are five-star and 0 are one or two stars. Reviews run from October 21, 2021 to December 30, 2025. All of them are published below in full, unedited.
12
Reviews
5.0 / 5
Average rating
0
1–2 star
83%
Verified buyers
5 star12 (100%)
4 star0 (0%)
3 star0 (0%)
2 star0 (0%)
1 star0 (0%)
Who reviewed Contents of Dark Thoughts Volume 1 by Marvin Castelle
3 of these reviewers gave their belt rank when they submitted the review. BJJ Fanatics asks for rank, age and years training at the point of review, so this breakdown is self-reported by the customer.
| Belt | Reviews | Average rating |
|---|---|---|
| Brown | 3 | 5.0 |
Where to buy it
Contents of Dark Thoughts Volume 1 by Marvin Castelle is currently listed on the BJJ Fanatics storefront at $67.00 USD. View Contents of Dark Thoughts Volume 1 by Marvin Castelle on BJJ Fanatics
The reviews
Contents of Dark Thoughts Volume 1
This is an impressive instructional. You can find many escapes from complicated leg locks. The positions are common and I have hit some escapes in the gym from using the techniques.
Amazing details
Every grappler needs to study this now 🔥🔥🔥
The best defense out
Next level details 🔥
fantastic instructor
basic but good
Response from BJJ Fanatics:hugging:Great stuff to add to the game!
Excellent technique that can be quickly implemented. A great way to get more familiar with leg locks as well as other elements.
Response from BJJ Fanatics:hugging::+1::skin-tone-2:Great Escapes
Awesome instructional. Breaks down good escapes to keep ya legs safe from them gym reapers. Simple, with many different angles of each technique. Easy to understand.
Response from BJJ Fanatics:hugging::+1::skin-tone-2:Make yourself Un-Leg-Lockable!
Marvin is well known for his excellent leglock game. In these videos he shows you first how to escape all of the common leglock positions and then in the second video he shows you how to counter leglocks , getting you into good positions , and finishing with a variety of subs —-chokes, arm locks, and leglocks. I highly recommend this video series for all serious Jiu Jitsu students.
Absolutely fire
This instructional is absolute fire! Marvin has a unique system and approach to his jiu jitsu which is the 10th Planet System, but with his own evolution; Dark Arts. I’ve been following Marvin for some time now and have been waiting for him to drop something on BJJ Fanatics. He did not disappoint! What I love most about his leg lock game is, it’s not like anyone else’s! From escapes to entries, It’s just different! Definitely a 5 star for me!
Response from BJJ Fanatics:hugging::hugging:A Must Have Instructional!
Marvin is the TRUTH!! He is a super legit black belt, who's teaching skills match his belt rank. I traveled hundreds of miles for the chance to train under him, now he blessed us with instructional video that is going to help ALL of us level up. I've Already downloaded the instructional on my phone, so before and/or after class I'll be able to drill these well thought out and put together sequences. DO NOT SLEEP ON THIS!!! Thank you Marvin for sharing your Dark Thoughts, I Can't wait for Volume 2!
Response from BJJ Fanatics:hugging::+1::skin-tone-2:Use This Video to level up
I mostly trained in the Gi until the Blue Belt level. At that level I would start to see more heal hooks, leg lock entries. This video has helped me level up my defense and protect my my legs. This video is must buy if you want to keep your legs. This video is also important to add to your training if you want to take the gi off, and have all those leg entanglement defenses in your back pocket. Theres really nothing to loose, and everything to gain. Great video, with quality instruction. 5 stars, one of the best purchases I've made in my jiu jitsu Journey!
Response from BJJ Fanatics:hugging::call_me_hand::skin-tone-2:Great Instruction
Marvin does a great job explaining the various techniques and makes them easy to understand and practice. Can't beat learning from one of Eddie's most technical black belts!!
Response from BJJ Fanatics:hugging::+1::skin-tone-2:High level stuff!!!
AMAZING instructional! High level technique explained in a way that a novice can understand and apply. I had the pleasure of training with Marvin at his recent camp and he is definitely a master of leg entanglements. his style is VERY technical, but the concepts are not hard to grasp at all. 10/10 would recommend this instructional to anyone who wants to start down the path of leg locks!!!
Response from BJJ Fanatics:hugging::+1::skin-tone-2:
More reviewed titles from Marvin Castelle
No Gi Awareness by Marvin Castelle
3 reviews · 5.0 / 5
Every number on this page is computed from the 12 reviews above at build time, out of 87,673 in the full archive. See the methodology for how the corpus is collected and what is excluded.