rules updates

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

src/pages/magic-items/index.md

@@ -14,6 +14,7 @@ Below you'll find a growing list of magic items that can be found across the mul
 -   [Chamber of Lightning Bolts](./chamber-of-lightning-bolts.html): A small cube that fires bolts of lightning.
 -   [The Crystal Skull of Jund](./crystal-skull-of-jund.html): A magical, elongated, and (apparently) nearly omniscient crystal skull.
 -   [Darklurker](./darklurker-dagger.html): A sentient, demonic dagger that seeks the blood of lawful creatures.
+-   [Feathers of Ferr'nym](./feathers-of-ferrnym/): Small, magical feathers which trigger an effect when tossed into the air.
 -   [Handy Haversack](./sack-of-storing.html#handy-haversack): A backpack with several small pocket dimensions useful for storing things.
 -   [The Helm of Immaculate Conservation](./helm-of-halos.html): A magical helmet that grants an aura of divine protection to nearby allies.
 -   [Jar of Preserving](./jar-of-preserving.html): A magical device for capturing and preserving creatures indefinitely.
@@ -21,6 +22,7 @@ Below you'll find a growing list of magic items that can be found across the mul
 -   [Mirror of Telepresence](./mirror-of-telepresence.html): A magical mirror that allows its user to view and speak with others remotely.
 -   [Pet Rock](./pet-rock.html): A magical rock that obeys its owner's commands.
 -   [Pouch of Stashing](./sack-of-storing.html#pouch-of-stashing): A tiny pouch with its own pocket dimension useful for storing things.
+-   [Ring of Animal Control](./ring-of-animal-control.html): A magical ring that grants its wearer tha ability to control animals.
 -   [Ring of Eldritch Blasting](./ring-of-eldritch-blasting.html): A magical ring that grants the wearer the ability to fire eldritch blasts.
 -   [Ring of Psychic Shielding](./ring-of-psychic-shielding.html): A magical ring that prevents its owner from having their mind read.
 -   [Ring of the Scholar](./ring-of-the-scholar.html): A magical ring that grants it's owner a small INT boost.