Haizea- The main character. Age 14. A young girl traveling the lands to find her missing Godmother. She uses a special kind of plasma in her attacks that functions like wind but sightly blunter. A rushdown style character that focuses primarily on guard pressure.
Wyatt- Age 17. The eldest son of the most wealthy and power family in the nation. He has abandon his role as inheritor of the fortune as an act of rebellion. Now he fights in a well known gang. His special attacks use lightning. The "Ky/Ryu" of the game.
Flay- Age 20. A rogue gang member of a prominent gang who has climbed the ranks and now assists the gang master. Uses fire in his moves. The "Sol/Ken" of the game.
Tanner- Age 16. A teenage boy who was forced in the ranks of the overwhelming gang in order to protect his sick older sister. Has the power of sand. A hard to play mixup style character.
Roderick- Age 34. A gladiator(not the lethal kind, but more like a wrestler) that has come to the city to find a worthy protege. Hardens his body in most of his moves using lustrous stone. The poster grappler.
Veronica- Age unknown. A mysterious vixen that watches over various crimes happening in the first set city of the story. She uses poison barbed stones in her attacks. A tricky character that forces her opponent to take risks.
I think the angle of the leg can still be used. It's the foot that can be adjusted. I'm not the greatest spriter here, but I have learned that the foot can be broken down to wedge shapes for poses like that.
Here's how I would handle the foot, personally. There's some other stuff that could be improved on as well. The overall muscle anatomy is wonky. The shading of the bicep on our left makes it look longer than it's supposed to be. The torso feels flabby due to the linework and its width. Overall, it's great to see you're trying and and open to feedback. Keep up the good work!
EDIT: Also, I can give an example for clothing folds if you want.