Aether Ruler prestige title: complete Totenreich main quest with all wicked relics.
Relics effects: No ammo crates, Enemies regenerate health, All augments disabled, Perk decay every 100 kills, Enemies deals double damage, No Arsenal, Random zombie type per round and Zombies can only be killed with Headshot
Thankfully I didn’t use gums during bo6/bo7 life cycle until this run, so I had a bunch of legendary and ultra gums and I thought this is the time to use them!
HERE is the full boss fight If anyone interested + my game summary included in the description.