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Seneschal Companion Diablo 4 season 3: guides to the stones of control and harmony

 Discover the Control and Harmony Stones guide for your Seneschal in Diablo 4 Season 3!


Season 3 of Diablo 4 introduces the Seneschal Companion, a major innovation that adds a new strategic dimension to the game. Find out how to master this powerful ally using the Control and Harmony Stones.


In Diablo 4 Season 3, players can harness the power of Zoltun Kulle's Loom by acquiring a Seneschal Companion. Use the Control and Harmony Stones to customize your Seneschal and adapt it to your play style.


Seneschal Companion Guide to Diablo 4 Season 3

The Season of Constructs plunges you into a fight against the demon Malphas and his constructs. You will begin this quest at the Hall of Gates, below Kehjistan, and obtain your fellow Seneschal, who will fight alongside you.


Your Seneschal can be equipped with two Control Stones for his attacks and six Harmony Stones to improve his skills. These stones are found in vaults and other locations throughout Sanctuary, providing a wide range of options for refining your combat strategies.


Control Stones define the Seneschal's attacks, while Harmony Stones enhance these skills. You can upgrade these stones by fusing duplicates, increasing their power and abilities.


 Explore the vaults to obtain random stones and confront assemblages to earn fragmented stones, transformable into stones of control and harmony at the jewelers of Sanctuary.

Seneschal Companion Guide to Diablo 4 Season 3

List of Control and Harmony Stones

Control Stones

  • Self-Defense: The Seneschal Construct activates an antimatter field around itself, neutralizing enemy projectiles. Does not work on projectiles from bosses and other players.
  • Ambush : Quickly trap targets, dealing damage to each. Can affect the same target multiple times.
  • Firefly: Deploys a small construct that lands on the target and explodes three times, dealing damage.
  • Focused Fire: Channels a beam of fire at targets, dealing damage over time.
  • Spin: Spins its legs, dealing damage to nearby opponents.
  • Impaler: Attacks all opponents in front of the construct in a straight line, dealing damage.
  • Lightning Bolt: Fires a bolt of lightning at the target, dealing damage. Can ricochet to other targets.
  • Support: Creates a barrier around the player, providing protection based on a percentage of maximum health.
  • Reconstruction: Channels a ray that heals the player for a percentage of their maximum life over time.
  • Slash: Strikes opponents in front of the construct, dealing damage.
  • Storm: Charges the target with electricity, dealing immediate and continuous damage. Can spread to other enemies or increase in power on the same target.

Harmony Stones

  • Bulky Assist: Increases the effect size of the affected skill, thereby improving its range or area of ​​effect.
  • Quick Assist: Grants an attack speed bonus to the relevant skill, allowing more frequent attacks.
  • Support Break: The damage dealt by the skill cancels opponents' barrier effects and renders targets temporarily vulnerable.
  • Tactical Assistance: Reduces the cooldown of the skill, allowing more frequent use.
  • Effective Support: Increases the chance of inflicting a critical hit on targets hit by the support skill.
  • Devastating Assist: Increases the critical damage dealt by the relevant skill.
  • Protective Assistance: Grants a reduction in damage taken when using the skill.
  • Frigid Assist: Converts part of the damage to cold damage and adds a freezing effect to attacks.
  • Burning Assist: A portion of the damage is converted to burn damage, dealing additional damage to burned targets.
  • Shock Assist: Converts part of the damage to lightning damage and can stun opponents.
  • Bleeding Assist: Adds bleed damage, with additional effects on moving enemies.
  • Poison Assist: Converts a portion of damage into poison, with a chance of spreading to adjacent targets.
  • Twilight Assist: Adds shadow damage and can interrupt enemy attacks.
  • Durable Assistance: Extends the duration of the skill's effects.
  • Fortifying Assist: Grants a fortification bonus when using the skill.
  • Resource Assistance: Restores part of the player's main resource when the skill deals damage.
  • Initiative Assist: Teleports the seneschal to a target out of range when using the skill.
  • Arc Assist: Allows the skill to hit additional opponents.
  • Multi-Shot Assist: Adds additional projectiles to projectile skills.
  • Piercing Assist: Allows projectiles to pierce multiple enemies.
  • Grasp Assist: Brings ranged enemies closer to the seneschal construct when using the skill.
  • Saved Damage Assist: Records damage dealt and release it when the target dies.
  • Homing Assist: Projectiles automatically seek out targets for a limited time.
  • Slow Assist: Slows the movement speed of targets hit, with a more pronounced effect on nearby enemies.
  • Taunting Assist: Taunts affected opponents, forcing them to attack the seneschal assembly.
Diablo 4 Season 3 offers players an enriched experience with the introduction of the Seneschal and new Control and Harmony Stones. Customize your companion to perfectly match your playstyle and prepare to conquer the challenges of the build season.

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