diff --git a/tools/sprite-generation/engine/prompts.py b/tools/sprite-generation/engine/prompts.py
index c1251981..5fe6fb47 100644
--- a/tools/sprite-generation/engine/prompts.py
+++ b/tools/sprite-generation/engine/prompts.py
@@ -34,11 +34,11 @@ STYLE_PREFIXES: dict[str, str] = {
 
     # --- LAYERS ---
     "units": (
-        "isometric game character sprite, "
-        "3/4 view from slightly above and to the side, "
-        "single character, full body head to feet, "
-        "painted fantasy RPG illustration like Baldur's Gate or Pillars of Eternity character art, "
-        "detailed armor and equipment, clear readable silhouette, "
+        "single fantasy character, 3/4 isometric view, "
+        "ONE person only, ONE view only, NOT a turnaround sheet, NOT multiple angles, "
+        "full body standing pose, feet visible, "
+        "painted RPG character art like Baldur's Gate II or Heroes of Might and Magic, "
+        "detailed armor and equipment visible, clear readable silhouette, "
         f"{_LAYER_COMMON}"
     ),
     "buildings": (
@@ -58,19 +58,21 @@ STYLE_PREFIXES: dict[str, str] = {
         f"{_LAYER_COMMON}"
     ),
     "improvements": (
-        "isometric game tile improvement sprite, "
-        "3/4 aerial view of a single small man-made feature, "
-        "like a Civilization V farm, mine, or plantation tile improvement, "
-        "simple composition, one clear feature, painted fantasy art, "
+        "single small game improvement sprite, 3/4 isometric view, "
+        "ONE simple feature only, NOT a full scene, NOT a landscape, "
+        "small cultivated patch or simple structure, no buildings, no people, "
+        "like a single Civilization V tile improvement icon, "
+        "painted fantasy art, minimal composition, "
         f"{_LAYER_COMMON}"
     ),
     "spells": (
         "magical spell effect game icon, "
         "abstract glowing magical energy centered in frame, "
         "like a World of Warcraft or Diablo ability icon, "
-        "pure energy, particles, runes, elemental force, "
-        "NO person, NO character, NO figure, NO face, "
-        "vivid magical colors on dark background, masterpiece, best quality"
+        "pure energy, particles, runes, or elemental force, "
+        "NO person, NO character, NO figure, NO face, NO border, NO frame, NO ornament, "
+        "clean circular composition, vivid magical colors on solid black background, "
+        "masterpiece, best quality"
     ),
     "ui": (
         "clean flat game UI icon, "
@@ -105,7 +107,7 @@ NEGATIVES: dict[str, str] = {
     "terrain": _BG_NEG,
     "biome_grid": _BG_NEG,
     "edges": _BG_NEG,
-    "units": _LAYER_NEG + ", multiple characters, crowd, group",
+    "units": _LAYER_NEG + ", multiple characters, crowd, group, turnaround sheet, multiple views, multiple angles, reference sheet, character sheet",
     "buildings": _LAYER_NEG + ", front elevation, straight-on view, multiple buildings, city, street",
     "resources": _LAYER_NEG + ", seamless texture, tileable pattern",
     "improvements": _LAYER_NEG + ", complex scene, multiple structures, city",