Credits to noober174 because he found the mob back in July 2011.
ALLIANCE ONLY
Hey,
With the release of Patch 5.0.4 every goldloot in Dungeons and Raids has been nerfed by atleast 90%.
That makes the Achievement "Got My Mind On My Money" alot harder.
The Achievement requires you to loot certain amounts of gold:
100g
1000g
5000g
10000g
25000g
50000g
100000g
200000g
But one mob survived the goldlootnerf: Trade Prince Donais
Picture from his position (in Azshara): https://i.imgur.com/MK0PR.jpg
Donais is level85 and drops around 80-100 liquid gold. But he wont be easy since he has 1,5mio hitpoints and one annoying ability.
Before you pull him, you should clear the 3guards around him. Otherwise they'll add and probably kill you.
Also he has three guards around him. Each guard has around 560k Hitpoints, they are level 90 and they hit for around 10.000-15.000 damage.
Three guards at the same time would probably kill you, so you should better singlepull them. The respawntimer for those guards is around five minutes.
Back to Donais. His spells are:
Rocket Barrage - It its for around 15000damage.
Coin Toss - hits for around 7500damage.
Discombobulator Ray - reducing melee damage and spell power by 40% and its movement rate by 20% (its a curse, so it can be dispelled).
The respawntime for Trade Prince Donais is around 5-10minutes.
In one hour you should be able to loot 720gold.
Some math:
You can get between 80-100 lootgold. The average is 90gold.
The respawn is about 5-10minutes, means the average is about 7minutes and 30seconds.
60minutes x 60seconds = 3600seconds = 1hour.
07minutes x 60seconds = 420seconds + 30seconds = 450seconds = 7min30sec.
3600seconds / 450seconds = 8kills = 1hour.
8kills x 90gold = 720gold.
Trade Prince Donais is, to my knowledge, the best method to farm the achievement Got My Mind On My Money solo. If you have problems with killing him solo, you could ask a friend to heal you. That would fix most problems :P