This is Ruin, Queen of Oblivion from YU-GI-OH!

good at: 0.7 - 1

Tags (character): ruin queen of oblivion,

Tags (character, age, or don't tag): mature female, age regression,

Tags (character else): demise king of armageddon, holding axe, full armor, axe,

Tags (clothes): black elbow gloves, gold bracelet, red headwear, red dress,

Tags (clothes, extra): clothing cutout

Tags (weapon): staff, holding staff

Tags (background and object): magic circle

Tags (others): chibi,