Promethium 2h sword

The Promethium 2h sword is a two-handed sword obtained in the Dungeoneering dungeons, requiring level 90 Attack to wield. It can be obtained as a drop from a Forgotten warrior wielding the sword or its primal counterpart, as a reward for defeating Kal'Ger the Warmonger, or made with a Smithing level of 98 from four promethium bars.

Dropping monsters
Promethium 2h sword