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Blog > Diablo 4 Season 10: Sword of Horazon Walkthrough

Diablo 4 Season 10: Sword of Horazon Walkthrough

Nov 01, 2025, 11:26:36 PST | Categories : Diablo 4 |

At the end of Blood on Parchment in Diablo 4, players uncover the long-lost location of the Sword of Horazon - a legendary relic tied to the ancient mage himself. Fittingly, this sets up the next major step in the Season of the Infernal Reign storyline, with a quest aptly named Sword of Horazon. This mission offers one of the most lore-rich and combat-heavy experiences of the season, packed with cultist encounters, dungeon crawls, and waves of demonic foes.

 

Before diving in, ensure you've reached Tier 8 reputation with the seasonal faction. If you haven't yet, you may need to complete Bartuc's Reign of Chaos side quest or revisit certain Infernal activities to boost your standing. Players looking to buy Diablo IV Items can often save time optimizing their builds for the long fights ahead, especially if you're not yet geared for high-tier encounters.

 

How to Begin the Sword of Horazon Quest

 

To begin Sword of Horazon in Diablo 4 Season 10, use the Waypoint for Fate's Retreat and speak with Shyan, your recurring ally in this chain of quests. She'll inform you about nearby cultists attempting to guard the location of the sword. While there's no direct vault marker yet, the nearby cult activity provides a clear lead.

 

From Fate's Retreat, ride east through the Path of Stray Souls until you reach the Cultist Camp. You'll face numerous waves of cultists and demonic minions here - they're not particularly dangerous, but they can swarm you if you're under-leveled. If you're playing a Minion Necromancer, your skeletons and golems will make short work of these enemies. Once you clear the area, speak with Shyan again to progress the quest.

 

Exploring the Vault of Sins

 

After dealing with the camp, Shyan will direct you toward a newly discovered dungeon - the Vault of Sins. Despite her earlier doubts, the vault truly exists, and it's a crucial part of this quest. Like most Diablo 4 dungeons, the layout here is randomized, so expect to adapt as you clear cultists, demons, and corrupted guardians.

 

Your main goal inside the Vault of Sins is to locate the Inner Sanctum Door, which you'll soon discover is sealed by a magical barrier. Near it lies a Blood Basin, requiring specific ritual components to unlock passage.

 

Collecting Blood for the Basin

 

Check your map and you'll see two new markers labeled "Collect Blood for the Basin." These indicate areas where cultists and sacrificial victims can be found. Travel to either site and interact with the Corpse to collect the first batch of blood. Bring it back to the basin to partially fill it.

 

Unfortunately, one offering won't be enough. You'll need to repeat the process at the second collection point. Once both offerings are placed, the barrier surrounding the Inner Sanctum door will dissipate, granting access deeper into the dungeon.

 

If you're grinding through this area repeatedly, you can use Diablo 4 Items like high-tier elixirs or infused potions to sustain yourself during prolonged fights. The dungeon features multiple elite mobs, so extra durability can make the process smoother and faster.

 

Finding the Sword of Horazon

 

Proceed into the Inner Sanctum, where you'll encounter a linear stretch filled with aggressive demons. Push forward until you reach the final chamber - a grand hall dominated by the glowing Sword of Horazon, suspended within an energy barrier. Shyan will reappear here, explaining that she needs time to extract the sword's magical imprint.

 

To begin the ritual, touch the Barrier. Doing so triggers one of the most intense combat sequences in the quest - a multi-wave demon onslaught. These waves include Infernal Hordes, elite Cultist Champions, and occasional fire-casting demons.

 

Your objective is simple: survive until the ritual timer expires. Focus on mobility and crowd control rather than brute force. Builds using strong AoE damage or barrier generation (such as Sorcerers and Druids) will find this phase easier. Rogues and Barbarians may need to kite aggressively and rely on potion cooldowns.

 

If you're still struggling, improving your gear through buying Diablo IV Items or farming cheap Diablo 4 materials for upgrades can significantly boost your survival rate. Even one tier higher armor or an enhanced weapon aspect can make a major difference in surviving longer waves.

 

Completing Sword of Horazon

 

Once the final wave falls, the barrier collapses, and Shyan will finalize her study of the sword. Speak to her once more to complete the quest. The Sword of Horazon remains sealed within its barrier, but the knowledge extracted from it paves the way for the final chapter of the season: Bartuc, Lord of Chaos - available after reaching Tier 10 reputation with the Infernal faction.

 

This quest not only deepens Diablo 4's lore around the mage Horazon and Bartuc but also prepares players for the climactic battles of Season of the Infernal Reign. Completing it grants a hefty amount of seasonal experience, Infernal Favor, and unique crafting resources tied to Season 10 progression.

 

Final Tips for Sword of Horazon

 

·Recommended Level: 75+ or World Tier 4 equivalent

·Best Builds: High AoE and sustain builds (Minion Necromancer, Whirlwind Barbarian, Lightning Sorcerer)

·Reward Highlights: Seasonal currency, Infernal Favor, rare crafting mats, and lore progress toward Bartuc's questline

·Gear Prep: Upgrade gear beforehand or buy Diablo IV Items for optimal performance

·Playstyle Advice: Take advantage of shrines and buffs in the Vault of Sins, and don't hesitate to farm side mobs for extra potions before the final waves

 

The Sword of Horazon quest is an excellent example of Diablo 4's storytelling and mechanical balance - rich lore, strategic combat, and rewarding exploration. Whether you're here for the narrative or for the loot grind, Season 10's questline delivers a satisfying bridge between ancient Sanctuary legends and modern endgame gameplay.

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