This artifact is a reference to a sword of the same name featured in Michael Moorcock's Elric series of books, wielded by Elric's cousin, Yyrkoon. Mournblade's more famous brother, Stormbringer, is included in Elona+.
In later versions of Elona+, it received a new sprite, depicted to the left.
|It weighs 4.0s|
|It An evil black sword surrounded with an aura of dread.|
|It is made of obsidian.|
|It is precious.|
|It can be wielded as a weapon. (3d13 Pierce 15%)|
|It is a heavy weapon.|
|It modifies hit bonus by 8 and damage bonus by 5.|
|It modifies DV by -4 and PV by 4.|
|It deals chaos damage. [####] (300)|
|It deals nether damage. [###] (250)|
|It improves your Dual Wield skill. [##] (+7)|
|It grants your resistance to chaos. [###] (+112)|
|It grants your resistance to nether. [###] (+100)|
|It absorbs stamina from an enemy. [#####+] (300)|
|Note: attributes may vary depending on luck.|
|A sword created from the idea of using a greater evil to destroy an evil. A brother to this sword exists, and it's said that should any person ever obtain them both, they would have the power to destroy the world.
～Irva Fantasy Encyclopedia～
mourwill create the <Mournblade>; this will only work in wizard mode.
The item sprite ID for the <Mournblade> is 405 (Row 12, Column 9) using the item sprite zero-based position system, with a color modifier of 4.
- Stormbringer on Wikipedia