rules updates

add dread wurm and werebeasts
fix backlink for magic items
update rules for + abilities

src/pages/magic-items/feathers-of-ferrnym/whip-feather.md

@@ -0,0 +1,24 @@
+---
+title: Feather of the Whip
+description: A magical feather that can conjure a huge leather whip.
+date_pub: 2024-03-17T21:39:29.000-04:00
+section: magic items
+content_type: feature
+short_code: mffw
+---
+
+A small, magical feather that conjures a huge leather whip when tossed into the air.
+
+-   Feather disappears with use.
+
+### Whip
+
+The conjured whip:
+
+-   Remains for up to 6 turns.
+-   Attacks on its own, at user's command.
+-   +6 to attack
+-   Counts as a magical weapon.
+-   Inflicts 1d6+1 damage on a hit.
+    -   Victim must **Save vs Spells** or become entangled for 1d6+1 rounds.
+    -   Entangled victims can't move or attack.