Gorgonite longsword

The gorgonite longsword is a Tier 9 longsword found within the dungeons of Daemonheim, and may be wielded by members who have an Attack level of 80 or higher. Players can smith the gorgonite longsword with a Smithing level of 84 by using 2 gorgonite bars on an anvil, yielding 168 Smithing experience. The gorgonite longsword is also a possible drop from forgotten warriors wearing gorgonite.

Dropping monsters
Gorgonite longsword