In my second set, I tested 3 different builds, each for 2.5 hours. Efficiency measured by Jewel, SC, GC drops.
Demon Machine Enchantress (No Static) - 145 P7 Cows/Min
Demon Machine Enchantress (With Static) - 157 P7 Cows/Min
PN/CE Necro - 138 P7 Cows/Min
Compared to my past RFL performances:
1.14d Necro (2021 RFL) - 149 P7 Cows/Min
1.14d Necro (2022 RFL) - 147 P7 Cows/Min
I felt rusty on D2R Necro, especially in the 1st hour, so I did worse there. Could also be some RNG in drops based data. Necro also kills larger groups at once due to revive aggro and CE, so I probably missed more drops there. Even so, MF Run Counter (kill count only available in D2LoD) puts my 1.14d Necro at 157 P7 Cows/Min.
Nova Sorc (first set of 2024 RFL) - 181 P7 Cows/Min
Nova Sorc (2023 RFL) - 179 P7 Cows/Min
Mosaic Sin (2023 RFL) - 145 P7 Cows/Min
1.14d Nova Sorc (2020 RFL) - 139 P7 Cows/Min
Looks like my D2R Nova Sorc is in her own league, and the rest are in their own group.
I had to look back as far as the 2018 RFL to get a Javazon data point - 120 P7 Cows/Min. Seems kind of low. Maybe my gear or playing skill was worse back then. I don't have an Amazon leveled up in D2R so getting new data for her will have to wait.
For now I will return to the Enchantress to try to finish out the second set. After playing builds with Energy Shield in cows for the last 2 years, playing that Necro for a few hours reminded me how dangerous it is to teleport in cows with Amp.