This im using max lod( level of detail) poster made by the director himself i will give an example for
 
Mid detail low and ultra low
 
Later for now this is an example
 
 
Of max detail
 
Credit lord ardvark
 
Full details
 
-34 lighs  
-Bullet holes  
-Blood drop  
-Shell eject(shell drop)  
-Bullet trace  
-Bullet impact or object  
-Custom blood pool(pooling to the side  
Or in any horizontal direction)  
-Vehicular destruction (with physics)  
-dropable human props(hat,etc)  
-animated guns shell eject and trigger  
-animater body props (key chain belt  
Etc)  
-additional props(destructible)  
-advance lighting  
-max particle count  
-fully animated fingers  
-animated lights(fire,police siren)  
-blood splaters  
-1024 ambient occlusion quality  
-245 motion blur quality  
-100 dof quality  
(Total rendering time 10-20min per frame