For the Year 1 auto rifle, see Necrochasm (Year 1).
Eternity is very close. Can you feel yourself slipping?
― In-game description

Necrochasm is an exotic auto rifle. It is obtained by upgrading the legendary auto rifle Eidolon Ally with an Essence of the Oversoul as part of the quest The Crux of Darkness.


Necrochasm can be retrieved from one of the following activities/vendors:

Evolved From Another Item source icon Evolved From Another Item
This item is created as the result of powering up or activating another item.


Necrochasm can be upgraded with the following perks:

Column 0Edit

Arc Damage icon Arc Damage
This weapon causes Arc Damage.
Cascade icon Cascade
Melee kills increase the reload speed of this weapon for a short time.
Infuse icon Infuse
Consume a more powerful Weapon to boost the Attack value of this Weapon.

Column 1Edit

Accurized Ballistics icon Accurized Ballistics
More range and Impact.

Increased recoil.

CQB Ballistics icon CQB Ballistics
Greatly reduced recoil.

Significant penalty to range.

Aggressive Ballistics icon Aggressive Ballistics
More predictable recoil.

Enhanced Impact. Shorter range and more recoil.

Column 2Edit

Zen Moment icon Zen Moment
Causing damage with this weapon increases its stability.

Column 3Edit

Single Point Sling icon Single Point Sling
Switch weapons faster. Move quicker while aiming.
Flared Magwell icon Flared Magwell
Reload this weapon even faster.
Fitted Stock icon Fitted Stock
Increases weapon stability.

Column 4Edit

Cursebringer icon Cursebringer
Kills with this weapon trigger a Cursed Thrall explosion.

Column 5Edit

Ornament perk icon Ornament: Devourer of Moons
Applies an Ornament to this weapon.