Obsidian Great Sword
A two-handed sword of black glass
Two Handed Sword Epic Scales: Strength Effect: Bleed, Cripple ID: 51479
Forged in the depths of the Volcano that looms over the Exiled Lands, this sword is made of obsidian. It is brittle, but the sharp facets of the black glass will cause additional damage to opponents.
About Obsidian Great Sword
Obsidian Great Sword is an Epic Two Handed Sword in Conan Exiles. It deals 45 light damage, 54 heavy damage, and 21.38% armor penetration. Its damage scales with Strength. It is a Tier 4 item.
Obsidian Great Sword is a craftable weapon — it is produced at a crafting station rather than dropped by enemies. Tier 4 places it in the upper band of the game's weapon progression.
Its base damage of 45 ranks #54 of 89 Two Handed Sword entries tracked here. It has 21.38% armor penetration, enough to matter against armored foes, a 9-stamina cost per basic swing, 10 poise damage that helps interrupt enemies, and 900 durability before it needs repair. At 6.56 weight it is light to carry.
Heavy swings drain stamina fast but pay off with crowd control and armor-breaking openers.
Verdict: Overall Obsidian Great Sword is a middle-of-the-pack option among Two Handed Sword weapons in Conan Exiles, and being craftable makes it easy to replace if it breaks.