I don't understand what is going on in this piece. So much unreadably confusing noisy details.

I can read the roof, the pipe, the bridge, but below the roof it loos just like white noise

NES doesn't support 12x12 sprites. Only 64 8x16 sprites or 8x8 sprites. To draw 12x12 sprite you need to use two 8x16 sprites, in effect wasting 4 pixels on both sides. I have managed to do 8x8 sprites, and 8x16 should be a bit easier.

The wide shoulders make her look really masculine.

how did you find the original? :O

Chinese already ported HoMM to NES: https://www.youtube.com/watch?v=3o0wXyQHuvg

Now the challenged is porting it to Atari :D

Finally some authentic Russian pixelart! :D

Hi, Yar! Some guy stole your art, badly repainted it and sells for money, without crediting you

https://www.gamedevmarket.net/member/clemanto/

I doubt that is you, since the quality of the repaint is far below your skills.

Anyway, lovely tileset, I used it as a placeholder, before switching to a custom one.

Solid map. Although sea waves look a bit strange.

a few nitpicks:

1. the saucer lineart has some irregularities.

2. shadow at the bottom of the cup is strange, and makes it hard to read shape - the cup blends with the saucer.

3. The black background could be replaced with a proper table texture.

4. Some antialiasing on the edges wont hurt.

bricks and cobblestone look a bit repetitive.

Are you Henk Nieborg's student?

How did the water got there?

I love your style!

well selected palette :claps:

Cool! Reminds me of Maulotaur in Heretic.

Nice! A few nitpicks: shadows under the table could be transparent, the sword blade looks somewhat assymetric, and the barrels near cupboard are on the harder to read side.

Looks like a character right out of Hellsing

candy stick sword? really?

Lovely! Consider making whole game in that style.

lovely palette!

the scales are too irregular, compared to real life lizards, gators and snakes.

The palette is strange.

I like the design.

Cool! But it would look more impressive if character hits actual foe, instead of thin air. But guess that is some Fire Emblem thingie, where they had no memory or colors to display more than one sprite on screen.

lineart and palette could use some refining. Currently she is just flat. Like no shades. I.e. she emits light by herself, like a lightbulb or stainded glass window art.