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Critical Role Campaign 4 · Character

Occtis Tachonis

Occtis Tachonis is a young human necromantic wizard, the eighth son of House Tachonis and a student of the Penteveral whose magic follows a different path from his powerful family.

Understand

The Eighth Son

Occtis Tachonis is a young human wizard from House Tachonis, one of Dol-Makjar’s Sundered Houses, and a student of the arcane arts at the Penteveral.

As the eighth son of House Tachonis, Occtis lacks the innate sorcerous ability prized by his family. He instead develops magic through formal study, leaving him something of a pariah within a house whose expectations he does not naturally meet.

His particular interests lie in necromancy, death and undeath. Those interests are reflected in Pin, an unusual undead fox familiar assembled from the remains of multiple foxes.

Despite his noble background and academic knowledge, Occtis has limited experience with many situations beyond his studies. He can be visibly uncomfortable in unfamiliar social settings, approaching new problems with a mixture of uncertainty, curiosity and analytical instinct.

His life outside the expectations of House Tachonis has also allowed him to form loyalties of his own, giving him reasons to act that do not necessarily follow his family name.

Searching for the Break

Occtis enters Episode 1 already in Dol-Makjar and already involved in the attempt to save Thjazi Fang. He and Thaisha Lloy were assigned to receive Thjazi during the extraction stage and help move him out of the city. That stage never begins. Thjazi never reaches them.

The failed rendezvous leaves Occtis shaken. Walking through the Rookery with Thaisha, he admits that he has never done anything like this before. Instead of helping Thjazi escape, he arrives at Halandil Fang’s home as the family prepares to mourn him.

Occtis’s reason for being there is personal as well as practical. When Shadia asks how he knew Thjazi, Occtis describes himself as a friend and explains that Thjazi helped him when he was a child. Later, he sits beside Thjazi’s body and struggles to find words for a farewell. A young necromancer who has studied many cadavers can finally offer only a quiet thanks.

Episode 1 also brings Pin into view as part of Occtis’s everyday life. The undead fox is assembled from pieces of multiple foxes, making Occtis’s fascination with necromancy tangible rather than merely academic.

The failure of the rescue soon gives that academic side somewhere to act. With Thaisha in no condition to reconstruct the plan, Azune Nayar pulls Occtis aside. They compare what each knows: Occtis and Thaisha never received Thjazi, another expected participant is absent, and Thimble has not appeared. Occtis identifies the problem plainly—they need to find where the chain broke.

The search leads Occtis, Azune and Teor Pridesire to Thimble’s hidden rooms in the Tanners. Before going in, Occtis disguises himself as a young orc and asks Azune whether his use of magic will be reported. He then uses his arcane training to recognize magical residue around the concealed entrance.

Inside, they find the rooms ransacked and Thimble critically wounded. Teor saves her life. When she regains consciousness and asks about Thjazi, Occtis’s disguise falls away as he apologizes and confirms that the rescue failed.

Thimble’s account changes what Occtis understands about that failure. She completed the intended escape glyph but was attacked before she could deliver it. The genuine glyph is still in the hideout.

Azune had nevertheless detected conjuration and illusion magic on Thjazi at the gallows. Occtis immediately recognizes the contradiction: the magic Azune found could not have come from the glyph that is still in front of them.

The ransacked hideout creates further questions. Kattigan Vale reconstructs an attack by multiple masked people, while Thimble realizes that the Stone of Nightsong is missing. Episode 1 does not establish who the attackers were, why the Stone was taken or what produced the magic Azune detected on Thjazi.

By the end of the episode, Occtis has moved from frightened participant to active investigator. The rescue he joined because of a man who once helped him as a child has become a problem that demands the same curiosity and close attention he usually gives to magic.

For the eighth son of House Tachonis, theory has abruptly become the world.

Explore

Beyond House and Academy

Relationships

Occtis explicitly describes himself as Thjazi’s friend and says Thjazi helped him when he was a child. He later joins the rescue attempt and gives Thjazi a quiet, deeply awkward farewell at the Farramh.

Azune NayarInvestigative Ally

Azune turns to Occtis to reconstruct the failed rescue. Together they identify Thimble as a missing link, search her hideout and confront the contradiction between the intended glyph and the magic detected at the gallows.

Thaisha LloyRescue Partner

Occtis and Thaisha are assigned together to receive Thjazi during the extraction stage of the rescue. They arrive at the Fang home together after that stage never begins.

Affiliations

House TachonisEighth Son

Occtis is the eighth son of House Tachonis. He lacks the innate sorcery prized by his family, leaving him marginal within the house despite his noble birth.

Occtis studies wizardry at the Penteveral, developing arcane ability through formal learning rather than the inherited sorcery valued by House Tachonis.

Mysteries & Questions

Where Did Thjazi’s Rescue Break?OPENWhere the Rescue Broke

Occtis knows that Thjazi never reached the extraction he and Thaisha were waiting to carry out. The discovery at Thimble’s hideout proves that the plan had already failed somewhere before that point.

The Magic in Thjazi’s CoatOPENThe Gallows Contradiction

Occtis is present when the genuine escape glyph is found still at the hideout even though Azune had detected the expected schools of magic on Thjazi. The source and purpose of that other magic remain unexplained.

Who Attacked Thimble’s Hideout?OPENWho Attacked Thimble?

Occtis helps investigate the ransacked hideout after Thimble is found critically wounded. Episode 1 establishes masked attackers but not who sent them or why.

While Occtis is at the hideout, Thimble realizes that the Stone of Nightsong is missing from the ransacked rooms, adding another unresolved question to the attack.

Connected Subjects

CREATURE
PinUndead Familiar

Pin is Occtis’s fox familiar, assembled from the remains of multiple foxes. The companion reflects Occtis’s necromantic interests and can wander independently while allowing Occtis to perceive through his eyes.

EVENT
The Failed Rescue of Thjazi FangThe Rescue That Never Reached Him

Occtis and Thaisha were waiting to carry out the extraction stage of Thjazi’s rescue, but Thjazi never reached them. The failure becomes the problem Occtis spends much of Episode 1 trying to understand.

ITEM
Thimble’s Escape GlyphThe Undelivered Glyph

Thimble’s completed escape glyph remains at the hideout. Its presence proves that the intended magical object never reached Thjazi and becomes central to Occtis and Azune’s reconstruction of the rescue.

EVENT

Occtis helps search Thimble’s hideout and finds the aftermath of the attack that leaves her critically wounded and the completed escape glyph still at the hideout, breaking the planned handoff to Thjazi.

Key Episodes

Episode1
Searching for the BreakThe Fall of Thjazi Fang

Episode 1 establishes Occtis’s place outside House Tachonis’s preferred magical tradition, his history with Thjazi, his partnership in the failed rescue and his first active role in investigating how the plan collapsed.

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Questions Worth Pursuing

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Azune Nayar: The Soldier Who Could Not Save Thjazi

Duty, failure and the final journey home

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Blood Beneath the Tanners

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