I think you guys are crazy. But maybe I'm missing something.

I get horses (all the same level) when I'm GST'ing. I make sure my attackers have speed as close to pets as possible. I find I get my best XP when my attackers have speed 1-5 less than pets.

Spoiler:

Level 156 fire
T4
90% of the laws are made because of 10% of the people.