Aww, I really like this scene, it seems really peaceful and there's some lovely wooden textures there contrasting with the plants : )

Its not doing a great gradient I will add more detailes to it =)

well done

- little to dark for me maybe

While I'd agree with some of Kravvon Nar'roth's statements... 

I don't know, it still looks so detailed! So much textures in there it looks alive. Great work!

The palette was changed a little by me its from a3um I will try fixing it thanks =)

Those rock formations in the background are epic! 

I'm not a big fan of the dithering on the stones on the left side, it just adds unnecessary texture.

You've got some significant banding happening on the log.

The green plant palette is a little too straightforward for me, and the sudden transition from green to a blue-grey color doesn't really work that well, IMO. I'd go for gradually making the green palette contain more blue as you go from the brightest shades to the darker ones. Perhaps a bit more yellow to the brighter shades would also help liven the palette up a bit. :)