King Arthur: Knight's Tale - Beginner's Guide to Essences

Essences are a powerful mechanic in the game that have a pretty large range of effects on your heroes. They can be extremely impactful and useful, barely relevant or anywhere in between. Lots of players struggle with knowing when to use them and who to use them on. Hopefully this guide will help give some insight and make it easier.
Time Stamps:
0:00 - Intro
1:37 - Best Essences for Champions/Vanguards
6:57 - Best Essences for Defenders
9:31 - Best Essences for Arcanists/Sages
14:11 - Best Essences for Marksman
15:49 - Defensive Essences
16:50 - DoT Essences
18:38 - Flex Essences
22:11 - Wrap Up