Over the course of her life, Ororo Monroe has been trained as a juvenile thief, worshiped as a goddess, and hated as a mutant. Since Charles Xavier enlisted her to join the X-Men, Storm has grown as a warrior and as a leader.Marvel Source
Her control over the climate has been honed through constant training and numerous battles, and her arsenal of elemental powers, from shattering lightning strikes to freezing winds, make her a force of nature to be feared and respected.
With changes in 2.1, I really don't see this build as efficient for endgame content anymore (at least not at level 60). But, this build is excellent for leveling, as it can still take out trash fairly easily. Even after level 30, this build can be very useful in places like Midtown with lots of trash mobs. So if you're looking to level up quickly but don't mind not having much exciting gameplay, this will be your go-to build.
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This is just a personally revised version of AtheistQueen's super amazing Storm build. All of the power points were kept the same; just made some very minor edits to the artifacts.
Here is the original build:
http://www.marvelbase.com/builds/view/2821-STORMing_the_bastille_Flying_death_machine_build#MvK2sKvvvM2K2M2K22/102.57.34.192.187.4.5.10.0.0