Necrochasm

 is an exotic auto rifle in The Dark Below. It can only be obtained by upgrading the legendary auto rifle Eidolon Ally with a Crux of Crota.

Upgrades

 * Accurized Ballistics: More range and impact. Increased Recoil.
 * CQB Ballistics: Greatly reduced recoil. Significant penalty to range.
 * Aggressive Ballistics: More predictable recoil. Enhanced impact. Shorter range and more recoil.
 * Cursebringer: Precision kills with this weapon frequently trigger a Cursed Thrall explosion.
 * Upgrade Damage: Increases attack power, allowing this weapon to cause more damage.
 * Single Point Sling: Switch weapons faster. Move faster while aiming.
 * Flared Magwell: Reload this weapon even faster.
 * Fitted Stock: Increases weapon stability.
 * Range Finder: Aiming with this weapon increase it's effective range.
 * Upgrade Damage: Increases attack power, allowing this weapon to cause more damage.
 * Upgrade Damage: Increases attack power, allowing this weapon to cause more damage.
 * Upgrade Damage: Increases attack power, allowing this weapon to cause more damage.
 * Upgrade Damage: Increases attack power, allowing this weapon to cause more damage.