Diablo 4 Season 3: Seneschal Companions explained

Stephanie Zucarelli
Diablo 4 Seneschal Companions

Blizzard introduce a brand-new type of companion for Wanderers to face the threats of the Loom in Diablo 4 Season 3. Here’s everything confirmed so far about them.

Diablo 4 Season of the Construct will introduce a bunch of new content, including new types of enemies and Dungeons. While Wanderers try to stop the threat of the demon Malphas, they’ll be able to build their own robotic construct called Seneschal Companion.

Players will need to explore thoroughly the Vaults of Gatehall, a new underground region that will give them powerful materials to make and upgrade their new companion.

Here’s everything confirmed so far about Seneschal Companions in Diablo 4 Season 3.

Diablo 4: What is a Seneschal Companion?

Diablo 4 Season of the Construct will introduce the Seneschal Companions, a new type of character that becomes available during the Seasonal questline.

Diablo 4 Season of the Construct
Wanderers will have to prepare their Seneschal Companions to face the demon Malphas.

These Constructs can be built by Wanderers and will help them explore and fight the threats that are lurking in Sanctuary. If players want to upgrade or customize them, they’ll need to search for magical Governing and Tuning Stones that can be farmed during Season 3 challenges.

Diablo 4 Season 3: Governing and Tuning Stones explained

Governing and Tuning Stones in Diablo 4 Season 3 are special materials that can be found in Vaults that will determine what powers each Seneschal Companion wields.

Governing Stones can be used to determine what types of attacks the robotic construct can perform. Tuning Stones will let players upgrade their skills and buff their support abilities.

Each Seneschal Companion can be equipped with 2 Governing Stones that determine its attack skills and 3 Tuning Stones that will amplify their abilities.

Diablo 4: All Governing and Tuning Stones in Season 3

There are 12 Governing Stones and 27 different Tuning Stones of different rarities to farm in Vaults. Here’s what you can find during Diablo 4 Season 3:

Governing Stones:

  • Autodefense: The Seneschal Construct activates an antimaterial field around itself, shooting down enemy projectiles. Can not shoot down Boss or Player projectiles.
  • Bushwhack: Quickly ambush dealing damage to each target. May strike the same target multiple times.
  • Firefly: Deploy a small construct that lands on the target and explodes 3 times, dealing damage.
  • Focus Fire: The Seneschal Construct channels a ray of fire onto targets, dealing damage to each over time.
  • Gyrate: The Seneschal Construct whirls its legs around quickly dealing damage to all surrounding enemies.
  • Impale: Perform a line attack on all enemies in front of the Seneschal Construct dealing damage.
  • Lightning Bolt: Launch a bolt of Lightning at the target, dealing damage. Arcs to other targets dealing a portion of the original damage.
  • Protect: The Seneschal Construct materializes a protective Barrier on the player for a portion of their Maximum Life.
  • Reconstruct: The Seneschal Construct channels a reconstruction beam Healing the player for a portion of their Maximum Life over time.
  • Slash: Pummel enemies in front of the Seneschal Construct dealing damage.
  • Tempest: Electrically charge an enemy causing it to deal damage to themselves and additional each second over time. If the enemy is killed, Tempest spreads to another enemy gaining additional time and bonus damage. These bonuses are also applied if Tempest is reapplied to the same enemy.
Diablo 4 Season 3 Vault
Having your Seneschal Companion around will be key to face the threats of Vaults.

Tuning Stone Abilities:

  • Voluminous Support: The supported skill’s effect size is increased.
  • Swift Support: The supported Skill gains an Attack Speed bonus.
  • Breaking Support: Damage from the supported Skill instantly destroys enemy Barrier effects. In addition, there is a chance to make enemies Vulnerable for 2 seconds.
  • Tactical Support: Decrease the cooldown of the supported Skill.
  • Efficiency Support: When the supporting skill deals damage, you gain Critical Strike Chance to the same targets hit.
  • Devastation Support: Supported Skill gains a Critical Strike Damage bonus.
  • Safeguard Support: When used, the supported Skill grants Damage Reduction to you.
  • Frigid Support: A portion of the supported Skill’s damage dealt is applied as Cold damage over time and applies Chill.
  • Burning Support: A portion of he supported Skill’s damage is applied as Burning damage over time. Burning enemies take bonus Critical Strike Damage from the Seneschal Construct.
  • Electrocution Support: A portion of the supported skill’s damage dealt is applied as Lightning damage over time and has a chance to Stun enemies.
  • Bleeding Support: A portion of the supported skill’s damage dealt is applied as Bleeding damage over time. Enemies take bonus Bleeding damage from all sources while moving.
  • Poison Support: A portion of the supported skill’s damage dealt is applied as Poison damage over time. This poison has a chance each second to spread all Poison damage to an additional enemy.
  • Dusk Support: A portion of the supported Skill’s damage dealt is applied as Shadow damage over time. Afflicted enemies who attack have a chance for their attacks to be interrupted. Does not interrupt Bosses.
  • Duration Support: Supported Skills have their durations increased.
  • Fortify Support: When the Seneschal Construct uses the supported Skill, you gain Fortify. Skills with slower attack speeds or skills with cooldowns will increase the amount of Fortify granted.
  • Resource Support: Player gains an amount of Primary Resource when the supporting Skill first deals damage.
  • Initiative Support: The supported Skill will cause the Seneschal Construct to teleport to the target if out of range. Can only occur once every so often seconds.
  • Arcing Support: The supported Skill can hit additional enemies.
  • Multishot Support: Supported Projectile skills launch additional projectiles.
  • Piercing Support: The supported Projectile Skill will pierce multiple enemies.
  • Gripping Support: Damage and effects done by the supporting Skill to Distant enemies pulls them towards the Seneschal Construct. Can only occur once every so often per enemy.
  • Registered Damage Support: Any damage caused by the supported Skill is registered. The registered damage explodes at effectiveness when the target dies as Fire damage.
  • Seeking Support: The supported Projectile Skill will auto-seek enemies for a limited duration.
  • Slowing Support: Damage from the supported Skill Slows enemy movement speed for a limited duration. The closer the enemy is to the Seneschal Construct, the greater the Slow amount. Enemies may be slowed up to a maximum amount.
  • Mockery Support: Damage done by the supporting Skill Taunts enemies hit for a limited duration of time. This can only occur once every so often per enemy. Does not work on bosses.

And that’s everything about Seneschal Companions in Diablo 4 Season of the Construct. If you want to know more about Blizzard’s ARPG, you can check these guides below:

Best Diablo 4 Necromancer builds | Best Diablo 4 Barbarian builds | Best Diablo 4 Druid builds | Best Diablo 4 Sorcerer builds | Diablo 4 skill tree builder | Is Diablo 4 coming to Nintendo Switch | How to salvage gear in Diablo 4 | How to transmog gear in Diablo 4 | All Diablo 4 Altars of Lilith locations

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About The Author

Stephanie is a Games Writer at CharlieIntel. After graduating as a journalist, she started working as a tech writer for Infobae, Channel 9, and Rolling Stone. She's currently focused on covering Diablo 4, Baldur's Gate 3 and Fortnite, but can't resist anything related to The Sims 4 and Stardew Valley. You can contact her at [email protected].