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Who Can You Summon for Soul of Cinder in Dark Souls 3?

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The Soul of Cinder, the final boss of Dark Souls 3, is a formidable opponent. Thankfully, you don’t have to face him alone. The burning question on many players’ minds is: Who can you summon to help you overcome this ultimate challenge? The answer is relatively straightforward, but understanding the nuances can maximize your chances of success.

You can summon two NPCs to assist you in the Soul of Cinder fight: Yuria of Londor and Sirris of the Sunless Realms. However, availability depends heavily on your progress through their respective questlines. Failure to follow their instructions or making choices that conflict with their goals will lock you out of summoning them.

Understanding the Summoning Criteria

Before diving into the details of each NPC, it’s crucial to understand the general rules governing summoning in Dark Souls 3, especially for boss fights:

Embered Form: You must be in Embered form to summon any help. Use an Ember to restore your full health and allow you to see summon signs.
No Covenant Restrictions: There are no specific covenant requirements to summon either Yuria or Sirris for the Soul of Cinder fight.
Area Bosses: The presence of other unbeaten area bosses in your current playthrough will not prevent you from summoning help for the Soul of Cinder.
Availability of Signs: The summon signs appear near the fog gate leading to the Soul of Cinder boss arena in the Kiln of the First Flame.

Yuria of Londor: Embracing the Dark Sigil

To unlock the ability to summon Yuria of Londor, you must fulfill the requirements of the Lord of Hollows ending. This ending is tied directly to Yuria and her master, Yoel of Londor. Here’s a step-by-step breakdown:

Recruit Yoel: Find Yoel of Londor at the Foot of the High Wall and accept his offer to join you.
Draw Out True Strength: Allow Yoel to “Draw Out True Strength” five times. Each time he does this, he gives you a Dark Sigil. This requires you to die at least twice between each drawing out of strength.
Do NOT Cure the Dark Sigil: Using a Fire Keeper Soul to cure the Dark Sigil will completely lock you out of Yuria’s questline.
Defeat Pontiff Sulyvahn: Killing Pontiff Sulyvahn is a crucial trigger.
Yuria Arrives: After defeating Pontiff Sulyvahn, Yuria will appear in Firelink Shrine, replacing Yoel.
Marry Anri of Astora: Follow the questline involving Anri of Astora. This involves finding Anri in the Catacombs of Carthus and the Church of Yorshka. Ultimately, you will participate in a ritual to “marry” Anri at the Darkmoon Tomb.
Do NOT Kill Yuria: Attacking Yuria at any point will sever her questline and prevent you from summoning her.
Soul of Cinder Summon Sign: If all of the above are completed correctly, Yuria’s summon sign will appear near the Soul of Cinder’s fog gate.

Essentially, completing the Lord of Hollows ending questline is synonymous with making Yuria available as a summon for the Soul of Cinder.

Why Yuria?

Summoning Yuria provides you with a powerful ally capable of dealing significant damage. She uses dark magic and a katana, making her a versatile combatant. From a role-playing perspective, summoning her adds a thematic layer to your final confrontation, emphasizing the Hollow Lord narrative.

Sirris of the Sunless Realms: A Knight’s Vow

The path to summoning Sirris of the Sunless Realms is more intertwined with her personal quest to avenge her grandfather, Hodge. This quest has specific triggers that require you to both help and avoid harming her family. Here’s the breakdown:

Meet Sirris at Firelink Shrine: She will appear after offering a Homing Soulmass to the Grave Warden Pyromancy Tome.
Do NOT Join Rosaria’s Fingers: Joining Rosaria’s Fingers will immediately make Sirris hostile, locking you out of her questline.
Help Sirris Defeat Holy Knight Hodrick: After progressing through the Undead Settlement, Sirris will appear outside the Curse-Rotted Greatwood boss arena and request your aid. Assist her in defeating Holy Knight Hodrick.
Defeat the Sulyvahn’s Beasts: Progress through Irithyll Valley to find the first Sulyvahn’s Beast guarding the bridge to Irithyll.
Help Sirris Defeat Hodrick in her world: After defeating a Sulyvahn’s Beast, Sirris’ summon sign will appear on the bridge leading to Irithyll of the Boreal Valley. Accept her request and defeat Holy Knight Hodrick again in her world.
Claim the Sunset Armor: Return to the Undead Settlement and find Hodrick’s corpse near the Pit of Hollows. Collect the Sunset Armor.
Sirris is now available: Do not offer any Pale Tongues to Rosaria’s Fingers.
Soul of Cinder Summon Sign: If all of the above are completed correctly, Sirris’ summon sign will appear near the Soul of Cinder’s fog gate.

Unlike Yuria, completing Sirris’ questline doesn’t guarantee her summon availability. You must remain on good terms with her by avoiding Rosaria’s Fingers.

Why Sirris?

Sirris is a formidable knight, wielding a greatsword and casting miracles. She can provide valuable melee support, drawing the Soul of Cinder’s aggro and allowing you to deal damage from a safer distance. She also offers a traditional knightly aesthetic, contrasting with Yuria’s more sinister appearance.

Frequently Asked Questions (FAQs)

Here are 15 frequently asked questions about summoning for the Soul of Cinder, designed to address common player concerns:

Can I summon both Yuria and Sirris for the Soul of Cinder fight? Yes, if you have fulfilled the requirements for both of their questlines, you can summon both of them.
What happens if I accidentally hit Yuria or Sirris? Hitting Yuria will immediately turn her hostile. Hitting Sirris once might not ruin the quest, but repeated attacks or killing her will.
I’m playing offline; can I still summon Yuria or Sirris? Yes, both Yuria and Sirris are NPCs, so you can summon them regardless of your online status.
I’m in NG+ (New Game Plus). Do I have to complete the questlines again? Yes, questlines reset in NG+. You must complete the requirements for each NPC in each playthrough.
Does my level affect whether I can summon Yuria or Sirris? No, your character level does not directly affect your ability to summon these NPCs.
I can’t see any summon signs. What’s wrong? Ensure you are Embered, have not already summoned too many phantoms (the maximum is two), and haven’t killed the Soul of Cinder already. Also, double-check that you’ve met the quest requirements for the NPC you want to summon.
What if Yuria dies during the Soul of Cinder fight? Her death during the fight has no impact on the Lord of Hollows ending if you’ve already completed her questline.
What if Sirris dies during the Soul of Cinder fight? Her death does not negatively impact any other areas of the game or questlines. It simply means she is no longer assisting you in that fight.
Is it worth summoning Yuria or Sirris? This depends on your playstyle and skill level. They can provide valuable assistance, especially if you’re struggling, but they also increase the boss’s health. Some players prefer the challenge of fighting solo.
If I helped someone defeat the Soul of Cinder, can I still summon Yuria and/or Sirris for my own fight? Yes, assisting other players does not affect your ability to summon NPCs in your own world, provided you have met their quest requirements.
Does summoning Yuria or Sirris affect the rewards I receive after defeating the Soul of Cinder? No, summoning them does not alter the rewards you receive.
I accidentally cured my Dark Sigil. Can I still get the Lord of Hollows ending? No, curing the Dark Sigil locks you out of the Lord of Hollows ending for that playthrough.
If I betray Sirris by joining Rosaria’s Fingers after summoning her, will she turn hostile? *No, joining Rosaria’s Fingers after defeating the Soul of Cinder will *not* make Sirris hostile retroactively.*
Can I summon a player phantom and Yuria/Sirris at the same time? Yes, you can summon one player phantom and up to two NPCs (Yuria and Sirris) at the same time, for a maximum of three allies.
Is there an advantage to not summoning anyone? Some players believe defeating the Soul of Cinder solo provides a greater sense of accomplishment and can potentially lead to faster kill times due to the boss having less health.

By understanding the requirements for Yuria and Sirris, you can strategically choose your allies for the final battle against the Soul of Cinder. Whether you seek the power of the Hollow Lord or the unwavering loyalty of a knight, these NPCs offer valuable assistance in overcoming one of Dark Souls 3’s greatest challenges. Good luck, Ashen One!