TIMESTAMPS to help you navigate to your subject of interest:
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0:00 - Longest intro ever
1:35 - BEGINNER LEVEL
2:05 - Blocking and Stamina
3:37 - Chaining Attacks
4:12 - Overcoming an opponent's defense.
5:09 - Unarmed
6:23 - ADVANCED LEVEL
6:45 - Parrying
7:30 - Dance of Death (also illustrated at 1:08)
8:08 - Dodging
8:50 - Executing Combos
11:11 - MASTER LEVEL
11:27 - Master Strike
12:25 - Different weapons
13:13 - Feint
14:00 - Important Perks
14:49 - Maintain your gear
15:16 - Making money from combat
15:50 - Preparation is key
16:04 - Escaping on horseback
16:33 - Wound Treatment
16:46 - Mounted Combat
17:22 - Additional tips and tricks
19:30 - Ending the video (rightly)

I hope calling it a masterclass in the thumbnail doesn't sound too pretentious. After all, watching the complete video teaches you ALL the concepts that are even slightly related to combat.

If you found this video enjoyable and helpful, here's some newer guides:
A stealth archer build for The Outer Worlds:    • The Operative // SUPERNOVA Stealth Sn...  
And a playlist for X4: Foundation:    • Halcylion's X4: Foundations Guides