idk how many times i have to post that farming higher torments is literally pointless unless you are ONESHOTTING elites on your current difficulty. The highest I see ANYONE farming efficiently with perfect gear would be t4, probably t3. The elites on t3 have billions of hp.
Normal: 100% Health, 100% Damage, 0% extra gold bonus, 0% extra XP bonus
Hard: 200% Health, 130% Damage, 75% extra gold bonus, 75% extra XP bonus
Expert: 320% Health, 189% Damage, 100% extra gold bonus, 100% extra XP bonus
Master: 512% Health, 273% Damage, 200% extra gold bonus, 200% extra XP bonus
Torment I: 819% Health, 396% Damage, 300% extra gold bonus, 300% extra XP bonus
Torment II: 1311% Health, 575% Damage, 400% extra gold bonus, 400% extra XP bonus
Torment III: 2097% Health, 833% Damage, 550% extra gold bonus, 550% extra XP bonus
Torment IV: 3355% Health, 1208% Damage, 800% extra gold bonus, 800% extra XP bonus
Torment V: 5369% Health, 1752% Damage, 1150% extra gold bonus, 1150% extra XP bonus
Torment VI: 8590% Health, 2540% Damage, 1600% extra gold bonus, 1600% extra XP bonus
they get MORE health AND damage than they do extra gold and xp. the legendary drop rate increases but it takes you longer to kill them so it doesnt matter