diff --git a/game/monster/cave_troll.png b/game/monster/cave_troll.png
new file mode 100644
index 0000000..07f17d9
Binary files /dev/null and b/game/monster/cave_troll.png differ
diff --git a/game/monster/hill_troll.png b/game/monster/hill_troll.png
new file mode 100644
index 0000000..518372b
Binary files /dev/null and b/game/monster/hill_troll.png differ
diff --git a/game/monster/mountain_troll.png b/game/monster/mountain_troll.png
new file mode 100644
index 0000000..0d25eda
Binary files /dev/null and b/game/monster/mountain_troll.png differ
diff --git a/source/monster.ads b/source/monster.ads
index 471c8d6..a548306 100644
--- a/source/monster.ads
+++ b/source/monster.ads
@@ -18,6 +18,7 @@ package monster is
 	type definition is record
 		name       : access string             := new string'("--");
 		attributes :        attribute.bonus    := (others => 0);
+		size       :        core.vector        := (1, 1);
 		materials  : access material.drops     := new material.drops'((material.meat, 1, 1), (material.bone, 1, 1));
 		evoke      :        effect.information := effect.none;
 	end record;
@@ -41,12 +42,12 @@ package monster is
 	description : constant array (enumeration) of definition := (
 		none => (others => <>),
 		--
-		hill_troll     => (new string'("Hill Troll"),     (3, 3, 3, 6, 6, 6), new material.drops'((material.meat, 3, 6), (material.skull, 1, 1)), effect.none),
-		cave_troll     => (new string'("Cave Troll"),     (3, 3, 3, 6, 6, 6), new material.drops'((material.meat, 3, 6), (material.skull, 1, 1)), effect.none),
-		mountain_troll => (new string'("Mountain Troll"), (3, 3, 3, 6, 6, 6), new material.drops'((material.meat, 3, 6), (material.skull, 1, 1)), effect.none),
-		swamp_worm     => (new string'("Swamp Worm"),     (2, 3, 3, 4, 6, 6), new material.drops'((material.meat, 3, 6), (material.bone,  1, 3)), effect.none),
-		sand_worm      => (new string'("Sand Word"),      (2, 3, 3, 4, 6, 6), new material.drops'((material.meat, 3, 6), (material.bone,  1, 3)), effect.none),
-		ash_worm       => (new string'("Ash Worm"),       (2, 3, 3, 4, 6, 6), new material.drops'((material.meat, 3, 6), (material.bone,  1, 3)), effect.none)
+		hill_troll     => (new string'("Hill Troll"),     (3, 3, 3, 6, 6, 6), (2, 2), new material.drops'((material.meat, 3, 6), (material.skull, 1, 1)), effect.none),
+		cave_troll     => (new string'("Cave Troll"),     (3, 3, 3, 6, 6, 6), (2, 2), new material.drops'((material.meat, 3, 6), (material.skull, 1, 1)), effect.none),
+		mountain_troll => (new string'("Mountain Troll"), (3, 3, 3, 6, 6, 6), (2, 2), new material.drops'((material.meat, 3, 6), (material.skull, 1, 1)), effect.none),
+		swamp_worm     => (new string'("Swamp Worm"),     (2, 3, 3, 4, 6, 6), (2, 2), new material.drops'((material.meat, 3, 6), (material.bone,  1, 3)), effect.none),
+		sand_worm      => (new string'("Sand Word"),      (2, 3, 3, 4, 6, 6), (2, 2), new material.drops'((material.meat, 3, 6), (material.bone,  1, 3)), effect.none),
+		ash_worm       => (new string'("Ash Worm"),       (2, 3, 3, 4, 6, 6), (2, 2), new material.drops'((material.meat, 3, 6), (material.bone,  1, 3)), effect.none)
 	);
 
 	game : array (enumeration) of core.sprite;