Katagon longsword

A Katagon longsword is an item released with the Dungeoneering update. This is a tier 8 longsword in the Dungeoneering skill and requires an attack level of at least 70 to wield. It can be smithed within Daemonheim needing a level of 74 Smithing and 2 Katagon bars, giving 150 experience.

Dropping monsters
Katagon longsword