Why was it rejected?

[Sener Grafik]

What are the criteria?
Why wasn't it accepted?
I made it myself with 3D Blender.
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"Thank you for giving you the opportunity to rate your picture. Unfortunately we cannot accept it to our collection, as we determined that it contained one or more technical issues during the review."

[MatHayward · Accepted solution]

It looks cool, but it's really dim. That's most likely the reason for rejection.

-Mat Hayward 

[Sener Grafik]

Thank you, but even in movies, the environments where this character is located are always so dark.
Maybe I can open a little.
Thank you again for your interest.