Jonas Mølgaard:
Youtube channel with various tutorials, including VR, ragdoll physics, and animation
Mathew Palaje:
Youtube channel with a great series on recreating mechanics from popular games like overwatch and half life
Mathew Wadstein:
Features a series dedicated to explaining single blueprint nodes and functions. A lot of these tutorials are about concepts
PyroDev:
A great resource for tons of intermediate to advanced tutorials. A lot having to do with animations and state machines
SG Unreal Creations:
Great in depth third person tutorial and other things. A lot of great concepts can be learned here.
Shooter Tutorial:
One of the most comprehensive tutorial series I have found. It’s a bit older, but the tutorial series walks you through creating a full game one step at a time with great detail. These are written tutorials, not video tutorials
Titanic Games:
Beginner to Intermediate tutorials. Titanic Games has a ton of videos, and a whole lot of knowledge
Virtus Learning:
Great Youtube channel. Easy to follow, and everything is explained as you watch
mabdog.com 