3.25 Essence Drain Occultist Build Showcase

I learning Path of Exile using essence drain/contagion, and the build has come so so far. I explain Everything about my build and I have some gameplay of a T17 and Uber Uber Elder at the end.

Path of Building https://pobb.in/nIerJ6AdaOHG
Updated Build PoB: https://pobb.in/7UIIq84eXvvQ
Updated Build Video:    • 3.25 Uber Lucky Double Corruption and...  

Chapters:
0:00 - Intro
1:31 - Main Skills
4:17 - Timeless Jewel
5:25 - Defence - Essence Drain Regen
6:21 - Defence - Max Resist, Melding of the Flesh
9:38 - Defence - Chaos Resist
10:31 - Defence - Armour
11:17 - Defence - Energy Shield
14:05 - Staff Nodes
14:46 - Defence - Crit Reduction
15:38 - Movement Speed and Cast Speed
17:10 - Defence - Phasing
18:15 - Defence - Elemental Ailment Avoidance
18:44 - Adorned - DoT, ES, and Good Implicits
19:09 - Defence - Curse Immunity - Witchbane
20:19 - Pantheons
20:45 - Offence - Intro and Demo
22:50 - Offence - Withered Stacks
24:22 - Offence - Bane and Curses
26:12 - Ascendancy
27:57 - Offence - Damage Sources
34:02 - Why Blight and Essence Drain are Both on My Staff
34:31 - Auras
35:12 - Mana Management
36:12 - Mana Reservation
37:10 - The Best Mod on Any of My Gear
38:56 - What the Build Can Improve and Change Still
42:06 - Outro
42:48 - Clearing a T17
47:19 - Uber Uber Elder