add new monsters, spells, and rules

src/pages/bestiary/zombie.md

@@ -25,19 +25,15 @@ Decaying, undead corpses. Some special varieties are mentioned below.
 
 </div>
 
-- Always attack.
-- Always attack last (no roll for initiative).
-- When hit for 2+ points, a body part will often fall off
+-   Always attack.
+-   Always attack last (no roll for initiative).
+-   When hit for 2+ points, a body part will often fall off
 
-### Undead
-
-- Make no sounds before attacking.
-- Immune to poison and other effects that only affect living creatures.
-- Immune to mind readng / altering spells and spell-like effects, (ex: charm, fear, hold, sleep).
+!!!include(bestiary/undead.md)!!!
 
 ### Sub-Types
 
 The following sub-types of zombies have been encountered:
 
-- **Armed** - Make a single attack at +1, dealing damage by weapon.
-- **Desiccated** - Flash-burn when turned or destroyed, dealing 1d2 damage to any non-undead in 5' radius.
+-   **Armed** - Make a single attack at +1, dealing damage by weapon.
+-   **Desiccated** - Flash-burn when turned or destroyed, dealing 1d2 damage to any non-undead in 5' radius.