v0.3.0: improved descriptions for wand of prismatic light and venom

src/com/shatteredpixel/shatteredpixeldungeon/items/wands/WandOfPrismaticLight.java

@@ -144,6 +144,11 @@ public class WandOfPrismaticLight extends Wand {
 
     @Override
     public String desc() {
-        return super.desc();
+        return
+            "This wand is made of a solid piece of translucent crystal, like a long chunk of smooth glass. " +
+            "It becomes clear towards the tip, where you can see colorful lights dancing around inside it.\n\n" +
+            "This wand shoots rays of light which damage and blind enemies and cut through the darkness of the dungeon, " +
+            "revealing hidden areas and traps. Evildoers, demons, and the undead will burn in the bright light " +
+            "of the wand, taking significant bonus damage.";
     }
 }