A pitch-black longsword that flames brightly... (Item)

From Alter Aeon Wiki
Artifact weapon
3 to 30fire slash
Normal Speed
Requires 13 Strength
Requires Level 15 Necromancer
GLOW FLOATING ANTI_GOOD
Keywords: flaming sword long longsword

Dropped from

The guardian vampipre in Thalos graveyard catacombs