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Siofra River Well pillar puzzle and Elden Ring Ancestor Spirit guide

Light ’em up

Elden Ring player fighting the Ancestor Spirit secret boss in Siofra River Image: FromSoftware/Bandai Namco via Polygon

The Siofra River region in Elden Ring has a secret boss fight. By finding and lighting certain pillars in the area, you’ll be able to challenge an optional boss. Our Elden Ring Siofra River pillars puzzle guide will help you with the Siofra River Well braziers and the Ancestor Spirit boss fight.

Finding the Siofra River Well pillars

Elden Ring player riding Torrent toward a pillar with a lit brazier at its base.
Look for these pillars around the Siofra River.
Image: FromSoftware/Bandai Namco via Polygon

We’ve already discussed how to reach the underground region of Siofra River in Elden Ring. Once you’re in the main area, you’ll spot tall pillars that have a brazier at their base (kind of like an altar). Interacting with these braziers lets you light them.

Elden Ring map showing the locations of the eight braziers to light before fighting the Ancestor Spirit.
Pillar locations in Siofra River.
Image: FromSoftware/Bandai Namco via Polygon

Lighting all eight of them will unlock a secret boss for you to fight. You’ll find the locations of all eight pillars on the map above.

While lighting them, you’ll need to watch for enemies. This place is teeming with Ancestral Followers (those minotaur-looking specters) that will pop up when you get too close. The archers are particularly deadly due to their accuracy.

There are also floating orbs that will shoot several bolts of lightning. They’re extremely accurate, too, which means you could end up dead if you’re not careful.

Ancestor Spirit boss fight

Elden Ring player approaching a stag carcass in the Hallowhorn Grounds in Siofra River.
Interact with the carcass in the Hallowhorn Grounds to fight the Ancestral Spirit.
Image: FromSoftware/Bandai Namco via Polygon

After lighting all eight braziers, a notification will show up saying that “power gathers somewhere in horned remains.” Return to the Hallowhorn Grounds in the southeastern section of this region. When you’re ready, interact with the giant stag carcass to get teleported to the boss’ arena.

Elden Ring player fighting the Ancestor Spirit in Siofra River.
Ancestor Spirit boss fight.
Image: FromSoftware/Bandai Namco via Polygon

The Ancestor Spirit boss in Elden Ring isn’t particularly difficult, but it does have some attacks to watch for:

  • Similar to Torrent, the boss will double jump in midair before crashing down on you.
  • The Ancestor Spirit has fairly slow melee attacks where it attempts to skewer you with its horns.
  • If you’re behind it, it will attempt to kick you with its hind legs.
  • It will periodically spew blue fire around itself. The fire rapidly depletes your health if you’re standing too close.

After beating the Ancestor Spirit boss in Elden Ring, you’ll receive the Ancestral Follower Spirit Ashes, which lets you summon a ghostly minotaur companion.

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