Players can gain access to the Seneschal Companion as part of the Diablo 4 Season of the Construct seasonal questline. It can do almost anything. You can make its attacks arc and hit extra foes, make projectiles it fires auto-seek for a limited time, and much more. In addition, the Seneschal Companion can be upgraded to improve overall effectiveness. So in this guide, let's see how to upgrade your Seneschal in Diablo 4 Season 3.

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First off, it is important to note that the Seneschal scales in power as your Seasonal Character does. So, the higher the level of your character, the more powerful the Seneschal is.

Additionally, players can upgrade the Seneschal companion by finding different types of stones around the map. There are two key stones that will decide how well your companion performs in combat. First are Governing Stones, which will determine the type of attack your Seneschal can perform. Meanwhile, Tuning Stones will augment those skills and provide greater utility.

Players can equip two Governing Stones and six Tuning Stones to optimize the build of the Seneschal companion. This adds a lot of flexibility for mix and matching and creating a unique moveset, especially considering there are 12 Governing Stones and 27 Tuning Stones available in total. For more info about Stones, please read Diablo 4 Season 3: Governing and Tuning Stones Guide.

Players can obtain Tuning Stones by completing Vaults, where each Vault will reward the player with one Tuning Stone upon completion. Tuning Stones can also be found within Wardwoven Chests, which can be found within various levels of Diablo 4. Governing Stones can also be found in Wardwoven Chests. Additionally, players will fight against enemy Constructs while exploring Vaults, which have the chance of dropping a Shattered Stone. Shattered Stones can then be crafted into a Tuning Stone or Governing Stone at any Jeweler across Sanctuary.

Players can also upgrade their Stones to further increase Seneschal Companion's power. Players must either craft or loot the same Stones and fuse them together to upgrade to a higher level. Increasing the level of these stones increases the potency and ability of these attacks. The greater the level, the greater the potency and power of these Stones. Then, the Seneschal Companion is more powerful.

It ends here. Now you know how to upgrade the Diablo 4 Seneschal Companion. See you in Sanctuary!