Diablo 4 Season 3 Seneschal Companion – how to use and upgrade Seneschal Companion

Looking for what the Seneschal Companion is in Diablo 4 Season 3? The Season of the Construct, the latest season for Diablo 4, is bringing plenty of new mechanics to the game, and the new Seneschal Companion is just one of them.

With the Diablo 4 Season 3 release date getting close, it’s a great time to jump back into the game. The Season of the Construct will be adding new dungeons and nightmare dungeons, called Vaults, a new questline, and the new companion, the Seneschal. What is the Seneschal Companion, and how do you use it? We’re here to let you know.

What is the Seneschal in Diablo 4 Season 3?

The Seneschal Companion is a mechanical creature that allows you to wield the fantastic power of the Loom. You’ll unearth this companion through the seasonal questline that can be found in the Seasonal Realm. This companion, once unlocked, will follow you everywhere around Sanctuary, from dungeons to cities.

The Seneschal is able to help you by directly attacking in battle or providing support from the sidelines. It’s up to you how you want to use the Seneschal, which can be tuned using the Governing and Tuning Stones.

How to use the Seneschal Companion in Diablo 4 Season 3

Once you’ve gotten the Seneschal from the depths below Kehjistan, you can use Governing Stones and Tuning Stones to build out your companion any way you wish. These stones are found within the Vaults, the new dungeons being added in Season 3. You can also craft them using Shattered Stone, which can be earned from defeating constructs within the Vaults.

Governing Stones allow you to choose which attacks you want your Senescal Companion to use while Tuning Stones allow you to alter and augment the ability. You can equip your Seneschal with two Governing Stones and six Tuning Stones in total – three Tuning Stones for each Governing Stone.

You can also increase the power of your Seneschal by leveling up the stones. You can do this by collecting duplicate stones or by fusing stones together.

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The Replacement

The Seneschal Companion will be replacing the previous season mechanic, the Vampiric Powers from Season of Blood. Each season brings a new mechanic into the game that allows you to wield new powers to take down enemies. However, this is the first time the powers will go to a companion and not directly to your Seasonal Character.

All Governing Stones

These are all the 12 Governing Stones that can be acquired in Season 3 of Diablo 4:

• 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 to 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 enemies 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 onto the same enemy.
• Flash of Adrenaline: Administers a quick flash of adrenaline into the player, granting bonus damage for a duration.

All Tuning Stones

Here are all 27 Tuning Stones you can earn in Diablo 4 Season 3:

• 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 from 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.

There are also two special Tuning Stones whose powers are much greater. However, they are unknown. They are called Evernight and Genesis.

That’s everything you need to know about the Seneschal Companion in Diablo 4 Season of the Construct. Be sure to check out how to get all Malignant Rings and how to beat Uber Duriel if you’re looking for more fun to be had in Blizzard’s hellish Diablo 4.

Seneschal Companion FAQs

What is the Seneschal Companion in Diablo 4 Season 3?

The Seneschal Companion is a new mechanic in the Season of the Construct. It’s a mechanical creature that follows you around and can help you out in battle, either by attacking or supporting.

How do you get the Seneschal Companion in Diablo 4 Season 3?

The Seneschal Companion can be unlocked during the Seasonal Questline in Diablo 4 Season 3.