5/5 s-cry-ed
  by Barbara Williams
I personally did not watch this.... but my son who is 23 requested this series and watched it straight through when I gave it to him. I guess for amine it is a good story.

3/5 Average at best
  by CharlieGone (SB county, CA)
When adult swim put this on for a while. I was kind of curious I just decided "what the heck I'll give it a shot." My impressions? Well, it neither good or bad, it's just average. While it does have a story line that might or might not keep you interested (depending on what episode you're on), most of the "action" is sometimes way too repetitive, that it becomes rather boring after a while; and because of this, I just completely lost interest in by the 12th episode. It didn't really make a difference to me whether Kazuma or Ryuhou won...I was just like is that pretty much it? While there were a few moments of unexpected (and welcomed) surprises, the show pretty much never really took off. I can't complain about the animation, as it wasn't too bad, neither were the voice actors, they did an ok job, the music was ok, but still it wasn't good enough. 3 stars.

4/5 A Nice Action Anime Decent Storyplot But Not The Greatest
  by Rich (CA)
The first thing seeing how they did the storyline for the part about the Alter-users and how they are treated reminded me a lot of the X-men comics and movie being the alters are shunned,hated,and feared for their powers and what they are much like the way mutants are in the X-men universe. The main characters Kazuma and Ryuhou are also reminiscent of a lot of anime series two hero's,villains,friends,or rivals who have either a grudge against each other or a need two fight each other to see who is better and of course the lady love interest who loves them both or theres another woman who loves the same man as the first woman does which this scenario is also in the series as well. The action scenes are pretty good as well as the fight scenes between different Alter-Users
also some of the secondary characters are killed in the show so that the main two characters now have a resonable reason to continue their quest
of vengeance or justice depending on the points of views of the characters. The English and Japanese voice actors did a pretty good job in the series and the video is very clear and sharp the audio is also
very clean as well. All in All the series is good but might not appeal
to many mecha anime or sci-fi anime fans but still a series worth checking out....

4/5 manga is better but still good anime
  by Shawn K. Johnson (Azores, Portugal)
though I watched the anime series in fansub before I read the manga is was impressed with both formats. The story differs greatly between the two formats and after reading the manga I would have to say I feel the anime was somewhat rushed. Though still good and full of mind numbing action and very good charactor development. Highly suggest to watch.

3/5 The contents are exciting but...
  by L. K. Lam
I would recommend this anime for any action anime fans. Totally, it has a lot of fightings and battlings in this anime. Generally, it is very exciting and draw my curiosity to the finale. As I refuse to expose the details, I can say I was excited while watching it. However, the finale might be a little disappointing, not about the result. It is about how it wraps up the stuff