Lost Izalith

Lost Izalith (混沌の廃都イザリス) is a Location in Dark Souls. It is accessible via the Demon Ruins. 

Information

Lost Izalith is a fiery, chaotic area accessible via the Demon Ruins. It is home to many powerful enemies and the infamous boss, Bed of Chaos. The area contains significant story events, including key interactions with Solaire of Astora, Kirk, Knight of Thorns, and Siegmeyer of Catarina.

Area Bosses

Mandatory

Bed of Chaos

• A three-phase boss with destructible orbs protecting its core.
• Drops:
  • 60,000 Souls
  • Lord Soul
• Strategy:
  • Destroy the left and right orbs to weaken the Bed of Chaos.
  • Traverse the collapsing floor to reach its core.
  • Utilize ranged attacks or time dashes to avoid the fire scythes.

Enemies

Chaos Eaters

• Squid-like creatures that spit acid to degrade your equipment.
• Strategy:
  • Attack from the side or rear to avoid their acid spray.
  • Equip items with high durability.

Stone Demons

• Fire-spewing statues that line the pathways.
• Strategy:
  • Their attacks are easily avoidable; running past them is often the safest option.

Chaos Bugs

• Small, spider-like creatures found near the shortcut.
• Drops:
  • Sunlight Maggot (from the red-eyed Chaos Bug)
• Strategy:
  • Use ranged attacks or quick melee strikes to dispatch them.

Bounding Demons of Izalith

• Massive, legless dragon torsos that patrol the lava.
• Drops:
  • No significant drops.
• Strategy:
  • Use the Orange Charred Ring to reduce lava damage and fight from range using magic or bows.

Titanite Demon

• Found in the shortcut path to Lost Izalith.
• Drops:
  • Demon Titanite
• Strategy:
  • Use ranged attacks or bait its melee strikes to create openings for counterattacks.

NPCs

Solaire of Astora

• Location: Found near the Titanite Demon in the shortcut area if his questline leads to his madness.
• Rescue: Opening the shortcut through the Chaos Servant covenant allows you to prevent his tragic fate.
• Drops (if killed):
  • Solaire's Armor Set
  • Sunlight Shield
  • Sunlight Straight Sword
  • Sunlight Talisman

Siegmeyer of Catarina

• Found in the Chaos Eater pit.
• Outcome depends on:
  • His health during the fight.
  • Whether the player kills all Chaos Eaters before speaking to him.
• Rewards:
  • Pierce Shield
  • Titanite Slab (if successfully assisted).

Kirk, Knight of Thorns

• Invades near the boss fog if the player is in human form.
• Drops:
  • Thorn Set (upon all three invasions across the game)
  • Barbed Straight Sword
  • Spiked Shield

Items

Weapons

• Izalith Catalyst:
  • Dropped by the NPC Grana, a Daughter of Chaos.

Helms

• Sunlight Maggot:
  • Dropped by the red-eyed Chaos Bug.
  • Functions as a headpiece that illuminates dark areas, crucial for the Tomb of the Giants.

Armor

• Gold-Hemmed Black Set:
  • Found near Ceaseless Discharge in the Demon Ruins.

Consumables

• Twin Humanities:
  • Found on the rooftops of structures within the lava field.

Titanite

• Demon Titanite:
  • Dropped by the Titanite Demon in the shortcut path.
• Red Titanite Chunk:
  • Found near the Chaos Eater pit.
• Red Titanite Slab:
  • Found in the poison swamp below the Chaos Eater pit.

Walkthrough

Lava Field and Bounding Demons

• Equip the Orange Charred Ring to reduce lava damage.
• Use the stone roots to navigate safely across the lava field.
• Activate the hidden bonfire by striking the wall in the large tree-rooted building on the right side of the map.

Stone Demon Path

• Head straight from the hidden bonfire to enter a building filled with Stone Demons.
• Avoid engaging them; focus on running through to the staircase leading to the Chaos Eater Pit.

Chaos Eater Pit

• Prepare for acid attacks by unequipping fragile weapons and armor.
• Help Siegmeyer clear the area of Chaos Eaters, ensuring his health stays above 50%.

Final Path to the Bed of Chaos

• After the Chaos Eater pit, take the left path to encounter the Bed of Chaos.
• If you are human, prepare for Kirk's invasion.

Covenants

Chaos Servant

Joining this covenant and offering 30 Humanity allows access to the shortcut leading to Lost Izalith, bypassing parts of the area and enabling the rescue of Solaire.

Quests

Shortcuts

Chaos Servant Shortcut:

• Requires Chaos Servant rank 2.
• Allows direct access to the lower regions of Lost Izalith and prevents Solaire's tragic demise.

Soul Farming

Titanite Demons:

• • Farm Demon Titanite and Souls by repeatedly defeating the Titanite Demon near the shortcut.

Chaos Bugs:

• • Occasionally drop Sunlight Medals and Red Titanite Chunks.

Notes

• Equip Rusted Iron Ring when traversing the swampy areas beneath the Chaos Eater pit.
• The Bed of Chaos fight remains in the same state if the player dies, making subsequent attempts easier.

Trivia

• Lost Izalith was once a thriving city before the flame chaos corrupted it, transforming its inhabitants into demons.
• The Bed of Chaos contains remnants of the Witch of Izalith, one of the Lords from the game's opening cinematic.