I recently discovered MortMort on YouTube and his videos have been a great resource in improving my pixel art skills.
Over the past couple of weeks I've been heavily focused on trying to refine some kind of coherent style that I can use for my games.
This afternoon I spent a few hours trying out a style by drawing my Dungeons and Dragons party:
I liked the result but I felt like the sprites were a little small for what I would need so I've started scaling them up:
I can probably still use the old sprite style for children characters.