Divinity: Original Sin
Divinity: Original Sin

Phantom Forest Side Quests

Face challenging foes and uncover lore in Divinity: Original Sin's Phantom Forest side quests, including The Guardian of the Source.

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Phantom Forest Side Quests

The Phantom Forest, a land shrouded in ancient magic and despair, serves as the penultimate region in Divinity: Original Sin. Its side quests are deeply intertwined with the lore of the Source, the Void, and the fate of Rivellon. These high-level challenges offer significant experience, powerful gear, and crucial insights into the game's overarching narrative, preparing you for the final confrontation. Be prepared for formidable foes, intricate puzzles, and moral dilemmas.

Phantom Forest Side Quests - Divinity: Original Sin screenshot
Phantom Forest Side Quests

A Comprehensive Guide to Phantom Forest Side Quests

1. The Guardian of the Source

  • Quest Giver: Automatically starts upon entering the Phantom Forest and encountering the Source Temple area.
  • Starting Location: Phantom Forest, specifically the northern path leading towards the Source Temple.
  • Objectives:
    1. Navigate the dangerous path to the Source Temple.
    2. Confront and defeat the Guardian of the Source.
    3. Gain access to the Source Temple.
  • Walkthrough:

    As you approach the Source Temple, you'll encounter a series of powerful elemental guardians and traps. The main challenge is the Guardian of the Source itself, a colossal elemental being that shifts its elemental affinity throughout the fight. This encounter serves as a gatekeeper to the temple.

    • Phase 1 (Earth): The Guardian will be immune to Earth damage and highly resistant to Physical. Focus on Air, Water, and Fire spells. It will summon Earth Elementals.
    • Phase 2 (Fire): Immune to Fire, resistant to Physical. Focus on Water and Air. It will summon Fire Elementals.
    • Phase 3 (Water): Immune to Water, resistant to Physical. Focus on Fire and Air. It will summon Water Elementals.
    • Phase 4 (Air): Immune to Air, resistant to Physical. Focus on Earth and Fire. It will summon Air Elementals.

    Strategy Tips:

    • Bring a diverse party with various elemental damage types. Mages are particularly effective here.
    • Prioritize crowd control (Stun, Freeze, Knockdown) on the summoned elementals to prevent them from overwhelming your party.
    • Use elemental resistances and immunities to your advantage. Potions of resistance are highly recommended.
    • The Guardian has a high amount of HP. This will be a war of attrition. Keep your healers active.
  • Rewards:
    • ~20,000-30,000 XP (depending on party level)
    • Access to the Source Temple.
    • High-tier legendary or unique weapon/armor piece (randomized drop from the Guardian).
  • Common Pitfalls: Underestimating the Guardian's elemental shifts can lead to your damage being nullified. Ensure your party has a balanced damage output.

2. The Ancient Crypt (The Crypt of the Watcher)

  • Quest Giver: Reading a specific "Dusty Tome" found within the Phantom Forest, or by simply stumbling upon the crypt entrance.
  • Starting Location: The entrance to the crypt is located in the western part of the Phantom Forest, often guarded by powerful undead.
  • Objectives:
    1. Locate and enter the Crypt of the Watcher.
    2. Navigate the crypt's traps and undead inhabitants.
    3. Discover the secrets of the Watcher.
    4. Defeat the Crypt Keeper (or Watcher).
  • Walkthrough:

    The Crypt of the Watcher is a multi-level dungeon teeming with high-level undead, including Death Knights, Skeletal Warriors, and various ghouls. It also features numerous pressure plate traps, poison clouds, and magical barriers.

    • Entrance: The initial area often has a puzzle involving moving statues or activating runes to open the main door. Look for clues on nearby scrolls or plaques.
    • Main Chambers: Expect multiple waves of undead. Death Knights are immune to all damage unless their invulnerability is removed by a Star Stone or Blood Stone. If you haven't found a way to remove their invulnerability, avoid them or use environmental hazards.
    • Puzzle Room: A common puzzle involves lighting torches in a specific order, or activating levers to open gates. Pay attention to any spectral voices or inscriptions.
    • The Watcher's Chamber: The final boss is typically a powerful lich or a unique undead entity, often referred to as the Crypt Keeper or the Watcher itself. This boss will likely have high magical resistance and powerful area-of-effect spells.

    Strategy Tips:

    • Bring characters with high Perception to spot traps. A rogue with high initiative is excellent for disarming them.
    • Holy damage and fire damage are generally effective against most undead.
    • For Death Knights, if you haven't progressed far enough in the main quest to remove their invulnerability, use crowd control to bypass them or lure them into environmental hazards (e.g., lava, chasms).
    • The final boss often summons minions. Prioritize eliminating the minions or using area-of-effect spells to damage both the boss and its summons.
    • Consider bringing scrolls of "Resurrection" as party members are likely to fall in this challenging dungeon.
  • Rewards:
    • ~25,000-40,000 XP (depending on party level and number of enemies defeated)
    • A unique legendary item (e.g., a powerful staff, armor piece, or accessory) from the Crypt Keeper.
    • Several rare crafting materials and high-value gold.
    • A skill book for a high-tier spell.
  • Common Pitfalls: Running into Death Knights unprepared can lead to quick party wipes. Ensure you understand how to deal with them or avoid them. Missing hidden pressure plates can trigger devastating traps.

3. The Troll King's Treasure

  • Quest Giver: Finding a "Troll's Journal" or hearing rumors from NPCs about a legendary troll king's hoard.
  • Starting Location: A hidden cave entrance in the central-eastern part of the Phantom Forest, often obscured by foliage or rock formations.
  • Objectives:
    1. Locate the Troll King's lair.
    2. Overcome the Troll King and his minions.
    3. Claim the legendary treasure.
  • Walkthrough:

    The Troll King's lair is a series of interconnected caves inhabited by various types of trolls, including regenerating trolls, armored trolls, and the formidable Troll King himself. Trolls are generally resistant to physical damage and regenerate health rapidly.

    • Cave System: The caves are often dark and may contain environmental hazards like acid pools or collapsing ceilings. Trolls will ambush you from various angles.
    • Troll King Encounter: The Troll King is a massive, highly resilient foe. He possesses immense physical strength and a powerful regeneration ability. He will be accompanied by several lesser trolls.

    Strategy Tips:

    • Trolls are highly vulnerable to fire damage. Spells like "Fireball," "Meteor Shower," and "Ignite" are incredibly effective.
    • "Burning" status effect prevents regeneration. Focus on applying and maintaining this status on all trolls, especially the King.
    • High burst damage is crucial to overcome their regeneration. Focus fire on one troll at a time to take them down quickly before they can heal.
    • Crowd control (Stun, Knockdown) can interrupt the King's powerful attacks and buy you time to apply fire damage.
    • Consider bringing a character with high Loremaster to identify specific troll weaknesses.
  • Rewards:
    • ~18,000-25,000 XP
    • Troll King's Club: A unique two-handed weapon with high physical damage and possibly a bonus to Strength or Earth damage.
    • A significant amount of gold and rare gems.
    • Several high-tier crafting ingredients.
  • Common Pitfalls: Relying solely on physical damage will make this fight incredibly difficult due to troll regeneration and physical resistance. Not having enough fire damage or ways to apply "Burning" is a major setback.

4. The Lost Expedition

  • Quest Giver: Finding a "Distress Note" or a "Blood-stained Map" near a ruined campsite in the southern Phantom Forest.
  • Starting Location: A desolate, ruined campsite in the southern Phantom Forest, often surrounded by hostile creatures.
  • Objectives:
    1. Investigate the fate of the lost expedition.
    2. Follow the trail of clues.
    3. Confront the entity responsible for their demise.
    4. Recover any valuable artifacts.
  • Walkthrough:

    This quest involves a bit of detective work. You'll need to follow a trail of scattered notes, journals, and bodies, leading you deeper into a dangerous section of the forest. The expedition likely fell victim to a powerful Void-corrupted creature or an ancient, malevolent spirit.

    • Clue Gathering: Read all notes and journals carefully. They often contain hints about the creature's nature, weaknesses, or the location of the next clue.
    • Tracking: Use your Perception skill to spot hidden tracks, bloodstains, or disturbed foliage.
    • Final Confrontation: The entity responsible could be a unique Void Horror, a powerful ghost, or a corrupted elemental. These enemies often have unique immunities or resistances and powerful debuffs.

    Strategy Tips:

    • The final enemy's weaknesses will depend on its type. If it's a Void Horror, focus on elemental damage (especially fire or air). If it's a ghost, use spiritual damage or spells that affect incorporeal beings.
    • Be prepared for status effects like "Fear," "Curse," or "Weakness." Bring remedies or characters with high Willpower/Bodybuilding.
    • The environment might play a role. Look for ways to use terrain or existing traps against the enemy.
  • Rewards:
    • ~15,000-22,000 XP
    • A unique accessory (ring, amulet, belt) with useful resistances or stat bonuses.
    • A significant amount of gold and possibly a rare skill book.
    • Lore insights into the Phantom Forest and the Void.
  • Common Pitfalls: Missing crucial clues can make tracking difficult. Not preparing for the specific type of enemy at the end of the trail can lead to a difficult fight.

5. The Mad Hermit's Experiment

  • Quest Giver: Discovering a secluded, dilapidated shack or cave in the northern Phantom Forest, often marked by strange magical anomalies.
  • Starting Location: A hidden dwelling in the northern Phantom Forest, near the Source Temple entrance but off the main path.
  • Objectives:
    1. Locate the Mad Hermit's dwelling.
    2. Uncover the nature of his experiments.
    3. Deal with the consequences of his research (often a powerful, mutated creature).
  • Walkthrough:

    The Mad Hermit's dwelling is usually a small, isolated area filled with strange contraptions, bubbling potions, and scattered notes detailing his descent into madness and his attempts to harness Source magic. His experiments often go awry, resulting in a powerful, unstable creature.

    • Investigation: Read all notes and journals. They often provide context and hints about the creature's weaknesses or how to contain it.
    • The Creature: The "experiment" is typically a unique, mutated beast or an elemental abomination with unpredictable attacks and resistances. It might be immune to certain damage types or have a powerful aura.

    Strategy Tips:

    • The creature's weaknesses are often hinted at in the hermit's notes. For example, if he was trying to combine fire and water, the creature might be vulnerable to air or earth.
    • Be prepared for area-of-effect attacks and status effects. The creature might explode upon death or leave behind hazardous terrain.
    • Consider using environmental hazards if available. The hermit's lab might have unstable machinery or volatile substances you can exploit.
    • High initiative and burst damage can be crucial to take down the creature before it unleashes its most devastating abilities.
  • Rewards:
    • ~16,000-23,000 XP
    • A unique crafting recipe for a powerful potion or scroll.
    • Several rare crafting ingredients (e.g., Star Dust, Void Essence).
    • A high-tier skill book or a unique piece of gear related to elemental magic.
  • Common Pitfalls: Rushing into the fight without reading the hermit's notes can leave you unprepared for the creature's unique abilities and resistances.

These side quests in the Phantom Forest are designed to test your party's strength, tactical prowess, and understanding of Rivellon's lore. Completing them will not only grant you valuable experience and gear but also deepen your immersion in the world, providing context and challenges that enrich your journey towards the game's conclusion.