PoB of my character: https://pobb.in/kwfkBVwutiWe
Profile (the character is Freakey_Frostboltist): https://t.ly/zZbh7
Keep in mind that when I recorded all the bosses shown in the video I didn't have Awakened Spell Echo, Watcher's Eye, nor Unnatural Instinct.
Also, despite being in a private league, I found and crafted all the gear myself.
0:00 Invitation: The Formed
1:08 Pinnacle Boss: The Shaper
7:35 Invitation: The Twisted
8:38 Pinnacle Boss: The Elder
11:16 Pinnacle Boss: Uber Elder
14:38 Invitation: The Elderslayers
15:54 Pinnacle Boss: Sirus, Awakener of Worlds
20:29 Invitation: The Forgotten
21:29 Pinnacle Boss: Cortex
23:46 Invitation: The Hidden
25:36 Boss: Uber Atziri
28:07 Boss: The Black Star
29:08 Pinnacle Boss: The Searing Exarch
31:03 Boss: The Infinite Hunger
32:51 Pinnacle Boss: The Eater of Worlds
34:36 Pinnacle Boss: The Maven
38:43 Invitation: The Feared
Path of Exile 3.24 Necropolis League