Forge: 1.16.5-36.2.2
Epic Fight: 5.0.0 through 5.0.2

Whilst holding the shield in your offhand and sword/axe in your main, you will proceed to block with the weapon instead of the shield.

Roll Mechanic not working despite being in creative and in fight mode.
https://user-images.githubusercontent.com/64448764/131206798-6f1182d5-6d22-4067-a924-f49fd6fd8ee2.mp4

Fixed in 5.0.3.

And the roll is not a default skill for the initial spawn. You have to learn it by skill book.