Berserker Necklace
From Runescape Guides & Runescape Tips
A Berserker Necklace can be made by making an onyx necklace and using Level 6 Jewelry enchant on it. You make the onyx necklace by using a gold bar, cut onyx gem, and necklace mold with a furnace. The Beserker Necklace Gives a -20 to EVERY defense stat. It even gives -10 to stab, slash, and crush Attack Stats. The upside that makes the item valuable is that it gives a +7 strength bonus and increases damage dealt by obsidian weapons by 20 percent. The going price for this necklace varies from 3.8-4.1 million, according to most price guides.
