The polearms were used by the Empire on the 2E,homever they were underpowerd and the enimies such as Dwemers and Akavirians could easily overcome those weapons.They could deal great damage,but not like magic.Some years after the Mage "Arcainus" a Dunmer of Great Knowlodge gived the Enchated weapons to the empire armies,thus make him important to booth nations.The enchanted weapons were could be made with cheaper weapons and thus deal much more damage to the enimie.
Some time later a secret organization of the Empire were working on Stole Dwemer machienery technology to create powerfull weapons such as "Cannons" and 'Tanks".Homever the firepwoer on those machines dind't work and they called Arcainus to aid them.He successfully created a firepower to those machines.They were tested agaisn't powerfull enimies such as the Dwemer centurions and heards of Mammoths and Giants.But it's said that sometime later Arcainus heard voices in his mind:
"These weapons will destroy this World you love so much"
"Order isn't here,we demand order"
And much other voices.Some time later Arcainus was drived mad.But before the Empire could use this machinery agaisn't the Akavirians the technology was destroyed.Later ,Arcainus confessed and the Empire gaved him Death Sentence.His head was cutted off.
On the Dwemer myths,and booth empire rumors it's told that Arcainus heard the Voice of "Hearmenus Mora and Jyggalag".Warning that the weapons he helped to create would smash all the nations we knew,and the knowlodge that the Empire could learn of those nations would be a great treat to the Daedric Princes.It's told that now the spirit of Arcainus works with Haermenus Mora on his great lybrary,and well as in Jyggalag library studing and gathering information and also ,respected by booth of them.
Rumors say that the Dwemers stole his body after his execution.And that his ashes are burned inside a "Great Dwemer Ruin" of unknown location,guarded by enchanted centurions.And that his diaries are protected by the same mechanism as those that protected the: