Revised Homebrew Assassin for Dungeons & Dragons

A dark fantasy assassin emerges from the shadows, blending poison, stealth, and deception in a classic Dungeons & Dragons style.

In the 2014 edition of Dungeons & Dragons, the Rogue Assassin subclass promised a fantasy of perfect infiltration and devastating surprise kills. Yet many players discovered that its strongest features rarely functioned as intended. Combat often began after enemies were alerted, making Assassinate inconsistent, and disguise mechanics lacked reliable, actionable tools. This subclass reimagines that fantasy by strengthening the assassin’s core identity—master of masks, poisons, and decisive strikes—while keeping every mechanical element grounded in the source text.

Mechanically, this subclass compensates for the 2014 version’s weaknesses by giving assassins the tools they always needed but never truly received: consistent disguise capabilities, meaningful access to poison, and a reliable method to deliver high-impact opening damage. The ability to maximize Sneak Attack damage, craft poisons daily, and manipulate identities with speed and flexibility all directly address the shortcomings of the earlier design. Rather than relying on enemies being surprised, the subclass empowers assassins to prepare, deceive, and execute their kills in ways that remain effective across campaigns.

Players who were disappointed by the original Assassin’s performance will find this subclass deeply rewarding. It supports those who enjoy weaving false identities, building long-term infiltration strategies, and executing precision strikes backed by poison and deception. The adaptable skill expertise tied to alter egos offers a dynamic playstyle for players who like adjusting their role depending on the mission, target, or social environment.

Dungeon Masters should expect this subclass to maintain consistent assassination potential without relying on rare ambush scenarios. Its poison production, disguise efficiency, and identity rotation create narrative momentum and open new infiltration paths. While the 2014 Assassin struggled to stay relevant outside of specific combat triggers, this version remains active in social, exploratory, and combat gameplay. Allowing this subclass means embracing a player who excels at long-form deception, strategic preparation, and sudden lethal precision.

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Revised Assassin — Subclass Description

Assassins in this subclass draw their strength from their mastery of deception and identity manipulation, adopting alter egos to misdirect suspicion and infiltrate all manner of environments. Their lore centers on the belief that true killers must be more than silent shadows—they must be living masks capable of blending into any crowd, profession, or culture. Poison is viewed not as a dishonorable weapon but as a refined craft, a symbol of knowledge gathered from across the world. Through repeated use of alternate identities, the assassin grows into someone whose real face may be the least familiar of all.

Mechanically, the subclass emphasizes poison crafting, disguise expertise, and maximized burst damage. It strengthens the rogue’s traditional role by improving assassination capabilities through controllable Sneak Attack maximization and flexible skill expertise. Combat benefits come from improved poison potency and late-game invisibility, while non-combat play is reinforced through rapid identity creation, advanced disguise capabilities, and specialized tool use. The subclass fulfills a hybrid role as both a social infiltrator and a precision damage dealer.

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Level 3 Features:

A Killers Right Tools:

You gain proficiency in Disguise Kit. You also get the Poisoners Feat.

Assassinate:

Your blade hits the hardest it could ever hit. When you do sneak attack damage, you can choose to do the max damage. This can only be done equal to half the proficiency bonus. The ability resets after a long rest.

Reasoning:

The subclass begins by reinforcing the assassin’s foundational fantasy: using disguises and poisons to prepare for a kill. Granting disguise proficiency and the poisoner’s feat expands early utility, while the ability to maximize Sneak Attack damage ensures decisive opening strikes consistent with assassination themes.

Level 9 Features:

A Second Life No One Knows About:

All assassins need a way to blend or a second life to throw off suspicions. You must spend seven days and 25 gp to establish the history, profession, and affiliations for an identity. You learn so much about your alter ego that you gain skills you never knew you could. You gain expertise in any skill of your choice if you do not have proficiency, you gain proficiency. When you change alter egos you can change the expertise to a new skill.

Poisons Makes A Real Assassin:

You know how to produce poisons from all over the world. You can produce poisons that cost equal to your level * 100 (Cost can be found in PB or DM Guide). If the poison you want to make does not have a cost then the poison cost is 1000 gold. After a long rest, you can produce as many poison vials equal to your proficiency level. The poison vials disappear after a long rest and can't be sold for coin.

Reasoning:

These features deepen the assassin’s mastery of deception and toxins. The ability to create alter egos with tailored mastery provides adaptable skill expression, while poison production scales with level and ensures constant access to the tools of assassination. The disappearing vials prevent economic exploitation while emphasizing their role as mission-ready resources.

Level 13 Features:

Tools Expert:

You really know how to use your tools even beyond their expected usability you gain the following benefits:

Poisons:

Creatures immune to poison are now resistant to the ones you make. The DC save for poisons is now equal to 8 + Wisdom Modifier + Proficiency Modifier

Disguises:

Using the disguise kit, you can now disguise yourself like a creature 1 size larger or smaller than your original size. You gain the actors feat.

For a creature to determine if your disguise is fake now requires an investigation check and must beat a DC 8 + Wisdom Modifier + Proficiency Modifier

Word Spreads Fast:

Instead of taking seven days to establish a new identity, it takes only a long rest. It also no longer costs 25 gold to create a new identity.

Reasoning:

The subclass evolves into a master manipulator of both poison and identity. Poisons become more effective through improved save DC and partial penetration of immunity, while disguise becomes significantly more powerful with size changes, the Actor feat, and an increased Investigation DC. This tier also accelerates identity creation, fitting the theme of an assassin who can shift personas rapidly.

Level 17 Features:

Now You See Me Now You Don't:

You blend in so well that no matter what the situation, you can't be seen. On your turn, you can choose to go invisible it does not require an action and will end at the start of your next turn. You can only do this equal to half the proficiency bonus. The ability resets after a long rest.

Reasoning:

The capstone expresses the assassin’s peak: the ability to vanish at will without consuming actions. This enhances both survivability and assassination setups, reinforcing the infiltrator fantasy while allowing dramatic repositioning in combat.

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Revised Assassin in Campaign Setting

Build Ideas:

The source material provides no explicit recommendations for ability scores. If following thematic cues, assassins commonly value Dexterity, but this paper does not specify, so the correct statement is: Not Specified.

The source material provides no explicit guidance on feats beyond automatically granting the Poisoner feat and the Actor feat through features. No other feats are mentioned, so the best feats are Not Specified beyond those already granted.

The source paper does not reference multiclassing options of any kind. Therefore: Not Specified.

How to Play the Subclass:

Social Interactions:

The subclass interacts with social situations primarily through alter egos and disguise-based deception. The features at 9th and 13th level enhance the ability to create credible identities and impersonate individuals convincingly. While no explicit bonuses to social checks are listed, the Actor feat and flexible expertise through alternate identities contribute indirect benefits. No additional social mechanics are described in the source paper.

Combat Encounters:

Combat revolves around maximizing Sneak Attack damage and leveraging poisons. At 3rd level, the ability to maximize Sneak Attack outcomes allows decisive strikes. Ongoing poison production ensures a steady supply of damage enhancers or debuffs, depending on the chosen poisons. At higher levels, improved poison DC and partial penetration of immunity enhance offensive reliability. The 17th-level invisibility provides tactical repositioning and reliable setups for Sneak Attack.

Exploration Interactions:

Exploration is shaped by disguise versatility, skill adaptation, and tool expertise. The ability to change alter egos, adopt new expertise, and disguise oneself as creatures of different sizes supports infiltration, reconnaissance, and bypassing guarded areas. Tool proficiency expansion and improved disguises make the subclass particularly effective at accessing areas others cannot.

Environmental Interactions:

Subclass does not help with environmental interactions.