This is my first D20 preview for my kingdom Hearts game.  It's the shadow, everybody favorite heartless to kill.  Usable in any D20 game every gamemaster should enjoy having his players rip their heartless buts.

Shadow
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Small Heartless
Hit dice:1d6 + 3 (6)
Initiative: +1 (Dex)
AC: 12 (+1 size, +1 Dex)
Attacks: 1d4 claws
Face/Reach: 3 ft
Special Attacks: Absolutely nothing
Special Qualities: Double damage from light, Shadow form
Saves: Fort +1, Ref +3, Will -1
Abilities: Str 10, Dex 12, Con 10 Int 8, Wis 8, Cha 6
Skills: Hide +5 (+10 if in shadows), Move silently +5
Feats: Toughness
Climate/Terrain: Any
Organization: 1-6, 3-18, 5-30
Challenge Rating: ¼
Alignment: Chaotic Evil
Advancement: 2-4 HD (Medium); 5-8 HD (Large)

When a creature is corrupted or killed by a heartless creature it’s good is removed from it’s soul. All that remains is an empty shadow of the former self. A small creature void of intellect and free will, it’s main reason to destroy the hearts of men. It is possible to bring a person back from a shadow, though it must show signs of it’s willingness to do so.
Shadow Form: A shadow has the ability to become a shadow on the ground for three rounds per hit dice. When it does so it can only be injured by fire or energy weapons. It is considered incorporeal when this is in effect. It may do so a number of time a day equal to it’s constitution.