Originally Posted by
Terrorthatflapsinthenight
A trend noticeable in WoW, the novels and the rest of the expanded universe is how the Horde tends to produce and use much more, and to be much more reliant on special weapons or even super weapons to get an edge over their foes than the Alliance is.
For examples the Old Horde constantly used special weapons and went through rather insane lengths to get an advantage over the Draenei such as them adopting fel magic and using it to forcible grow up their children to get as many soldiers as possible, and also used the Dark Star and later the Red Mist to battle the Draenei. During the Second War they also began to use necromancy with the Death Knights, and used the Demon Soul to enslave the Red Dragons as mounts and war beasts against the Alliance of Lordaeron and their other foes.
The Forsaken also had this tendency with them creating and using the New Plague, also called the Blight, and other biological weapons and also starting to use special weapons and techniques used by the Scourge such as the Val'kyrs after WOTLK.
The Blood Elves' mana bomb also come to mind.
This is a trait that Garrosh Hellscream also retained with him constantly enslaving or blackmailing gigantic beasts such as proto-drakes, magnataurs, krakens or molten giants against the Alliance, as well as relying more and more on dark shamanism,mana bombs and goblin's tech and weapons made by the Blackfuse Cie which would he later use to create and strengthen the Iron Horde.
In comparison the Alliance uses far less really big and special weapons, and they seem to prefer more conventionnal and generic weapons even if they have certainely the means and minds to produce their own super weapons. In insight this might not be an all bad thing because realistically special weapons are often a case of the "Awesome but impracticable" trope as despite their great power or other genius characteristics they are often too complicated and expensive to be produced in masse, they have often glaring flaws that overshadow their qualities and are often not used in the best way they could be by the military or political leaders responsible for their deployment, and the mantainance is generally very costly too. This was the case for the many secret weapons made by Germany during World War II such as the V1 planes, the V2 rockets or the Messerschmitt Me 262 that were the first jet-powered fighter aircrafts, these weapons were ahead of their time but were often far from practical and their numbers were low and couldn't do anything against the allies' air and naval supremacy and superior numbers and quantity of material.