The Archangel-class Dreadnought was built during a fierce battle against the Executor. Its purpose was to deal with the Executors, which were simply too powerful to be dealt with by destroyers. Originally, Kiith Somtaaw decided to try to produce Avatar-class Heavy Cruisers, but realized they would take too long to develop and build. The Archangel's design was based on the Bentusi tradeships hull. The unique curved shape provided superior energy control and damage absorbtion. After much trial and error (mostly error) the researchers found the ideal level of curvature and began constructing the new ships.