You need to do the Destroyer part 3 quest to fight War Armor
I think it is blood ancient or war armor
on the adventure quest worlds wiki
you go to the war I also believe that their is some armor in the evil shop.
The DoomKnight armor is only available in Adventure Quest if you use the code you obtained by buying the shadowscythe t-shirt
you can only get new armor when there are new events
you go to the war I also believe that their is some armor in the evil shop.
Become a guardian
computer
you cant...
There is a cape that gives the quest for the set...
you have to have verified either a upgraded : dragon fable,mechquest and adventure quest accounts
Go to the shop