Diablo 4: Bartuc, Lord of Chaos, Walkthrough (Season 10 Guide)
After completing Sword of Horazon in Diablo 4 Season 10, one final quest remains to close out the story arc - Bartuc, Lord of Chaos. This climactic battle pits you against the infamous demonic mage himself, Bartuc, whose chaotic power tests your awareness more than your raw strength. Below is a complete walkthrough of the Bartuc Lord of Chaos quest, including how to start it, where to go, and how to defeat Bartuc efficiently.
How to Unlock Bartuc, Lord of Chaos in Diablo 4 Season 10
Before you can even take on this quest, you must reach Rank 10 in the Season 10 Reputation track. This reputation milestone unlocks the final seasonal mission, allowing you to embark on Bartuc's trail at your own pace. You don't need to be on Expert, Penitent, or Torment difficulty - any world tier will do.
Once you're eligible, travel to the Hidden Overlook, which becomes available on your world map after completing earlier Horazon-related quests.
If you haven't unlocked the waypoint, the fastest route is to fast travel to Fate's Retreat, then ride south toward Hidden Overlook. Upon arrival, talk to Shyan, the key NPC who guides you through the questline. Don't forget to activate the Hidden Overlook waypoint for easier access later.
Quest Objectives
Here's a quick breakdown of the Bartuc, Lord of Chaos, objectives in order:
1. Travel to the Hidden Overlook
2. Speak to Shyan
3. Travel to Bartuc's location
4. Speak to Shyan again
5. Enter the Corrupted Palace
6. Find Bartuc, Lord of Chaos
7. Slay the Fell Council members
8. Find Bartuc, Lord of Chaos (final chamber)
9. Defeat Bartuc
Finding Bartuc in the Blistered Barrens
After speaking with Shyan at Hidden Overlook, she'll direct you south to the Blistered Barrens, where Bartuc has been sighted. The area is filled with infernal enemies and ambient chaos magic, so proceed carefully. Use your mount to travel quickly and avoid unnecessary combat along the way.
When you arrive at Bartuc's location, you'll meet Shyan again near the entrance to the Corrupted Palace - a once-secret refuge for mages who delved too deeply into demonic arts. She explains that Bartuc has twisted his power to fuel his resurrection. Your mission is clear: enter the palace and cleanse the corruption within.
Inside the Corrupted Palace
The Corrupted Palace operates like a standard Diablo 4 dungeon - a series of interconnected corridors filled with demonic foes and environmental traps. Fortunately, it's not sprawling or maze-like, making navigation straightforward.
As you progress, you'll eventually encounter two members of the Fell Council - powerful lieutenants resurrected to protect Bartuc. In most cases, these will be Wyand the Shadow and Bremm the Maelstrom, though the composition may vary between playthroughs.
During this battle, the enemies will trap you inside red energy lines that form a deadly perimeter. Touching these lines inflicts heavy damage, so stay inside the circle and focus on single-target elimination. Prioritize one enemy - Bremm tends to be more aggressive - and dodge the AOE fireballs and energy hydras they summon. The key is to stay mobile, using your class's movement skills to reposition quickly.
Once both are defeated, continue deeper into the dungeon. You'll encounter a few more pockets of Fell Council defenders before reaching Bartuc's inner sanctum.
Bartuc, Lord of Chaos Boss Fight
The final chamber of the Corrupted Palace contains four glowing purple glyphs on the floor, each linked by faint white lines. These glyphs are the central mechanic of the Bartuc encounter - they function as teleportation runes, transporting you between glyphs instantly when you stand on one.
Phase 1: Energy Orbs and Melee Attacks
Bartuc opens the fight with a mix of close-range melee swings and slow-moving energy orbs. His melee hits deal moderate damage, but the orbs can stack rapidly if you're careless. Circle him and maintain a medium distance to bait his attacks without getting trapped.
Phase 2: Chaos Lines
After losing about one-third of his health, Bartuc begins summoning crackling red chaos lines that sweep across the battlefield in shifting patterns. These lines deal immense damage, so your best defense is to time your teleport using the arrow-linked glyphs. When you see a line closing in, step onto the glyph pointing away from it to instantly warp to safety.
Phase 3: Overload
In his final phase, Bartuc increases the speed of his energy lines and begins chaining teleportation spells of his own. This phase is a test of reaction and endurance - continue dodging while unloading your cooldowns. If you're a ranged class, kite him around the edges; if melee, use glyph teleportation to reposition and attack from behind.
Quest Completion and Rewards
After Bartuc falls, loot the area to collect his unique drop pool, which can include Chaos-infused Diablo 4 Items and Legendary gear tuned to your class.
With Bartuc's defeat, you've effectively wrapped up the Horazon's Legacy arc. This unlocks new opportunities in the Season of the Infernal Hordes, where remnants of Bartuc's power manifest in high-tier events and challenges.
Final Tips
·Bring crowd control skills - Bartuc and his minions often spawn adds mid-fight.
·Keep damage-over-time effects active; Bartuc teleports frequently, so consistent DPS helps.
·Prioritize survival - the red chaos lines are the biggest threat in this encounter.
·For ranged builds, positioning near the outer glyphs allows easy access to teleport escapes.
·If you're short on gold or materials, you can always buy Diablo 4 materials safely from P2Pah to prepare for endgame content.
Completing Bartuc, Lord of Chaos, marks the true finale of Diablo 4 Season 10, tying together the chaotic threads of Horazon's ancient magic. Whether you're farming loot, chasing achievements, or just savoring the story's close, this quest delivers the perfect mix of action and atmosphere for Diablo fans old and new.
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