Create a dynamic 16-bit pixel art fantasy battle scene in a dark rocky arena, shown in a three-quarter side view with a dramatic explosion at the center. The image contains exactly two combatants: on the left, {argument name="hero character" default="a confident silver-haired anime warrior girl with twin ponytails, blue ribbons, white-and-blue adventurer clothing, brown boots, gold trim, and leather armor accents"}, lunging forward while gripping an oversized ornate war hammer with both hands; the hammer has a large cylindrical gold-and-steel head with glowing emerald cores and swirling green energy. On the right, {argument name="enemy character" default="a dark purple-haired armored demon knight girl with small black horns, black-and-gold plate armor, a flowing purple cape, and a pained expression"}, recoiling backward while holding a massive jagged purple greatsword. Show one primary hammer, one primary greatsword, one small floating green magic orb near the left fighter, and multiple scattered dark rock fragments around the impact. The hammer strike collides with the sword at the center, producing a bright white-yellow blast surrounded by green magical arcs from the left and orange sparks plus purple lightning from the right. Use highly detailed retro JRPG pixel art, crisp sprite-like outlines, saturated colors, dramatic motion streaks, glowing spell effects, and a low stone-tile floor with cracked perspective lines. The background should be cavernous and smoky with diagonal speed lines, debris, and no text, no UI, no watermark. Emphasize the left hammer wielder winning the clash while the right swordswoman is being knocked back.