Add world content: warden class, druids guild, sylvan race, town expansion, whispering_woods region

Made-with: Cursor

world/town/npcs/magic_merchant.toml

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+name = "Zarok the Enchanter"
+description = "An eccentric old man with a wild beard, smelling of sulfur and ozone."
+room = "town:magic_shop"
+base_attitude = "neutral"
+class = "class:mage"
+
+[stats]
+hp = 60
+attack = 15
+defense = 5
+xp = 150
+
+[dialogue]
+greeting = "Ah! Browsing the arcane, are we? Don't touch the glowing jars."