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Freedom251 › Blog › Blood Demon Arts

How to Become a Demon in Project Slayers 2 and Unlock Blood Demon Arts

By Freedom251 Team · · 2 min read

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Community walkthroughs describe becoming a demon in Slayers 2 by meeting Muzan at night, completing his conversion objectives, and drinking Muzan’s Blood. Blood Demon Arts are a separate unlock: after transforming, players are directed to obtain and consume an Evil Art Orb, then complete its training. The exact conversion requirements are disputed, so use the live game’s prompts rather than treating any reported level or item count as guaranteed.

Make sure you are playing Slayers 2

Confirm that you are in Slayers 2, the sequel, rather than the original Project Slayers. The walkthroughs below refer to the sequel’s live experience.

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How to become a demon

Community guides disagree about the prerequisites, and neither account is a developer-confirmed walkthrough. A guide updated September 19, 2026, describes a negative-reputation route that leads to a nighttime Muzan encounter. A separate guide dated September 22 reports a level-5 requirement, Wall Climb, and access to Demon Hideout. Those claims do not establish a single universal route or level threshold.

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Follow the current Muzan prompt

On the negative-reputation route, the September 19 guide reports that Muzan may appear at night in several areas. It does not establish a guaranteed spawn location or fixed reputation count. If the game’s current objectives differ, follow the objectives shown in your client rather than relying on an older count or location.

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Complete the conversion objectives

The same guide describes collecting Spider Lilies and completing a doctor-related objective before Muzan provides his blood. It reports nine lilies in one gameplay video, but treats that number as an observation, not a confirmed requirement for every player. Complete the tasks the game assigns, then drink Muzan’s Blood to transform; talking to Muzan alone is not described as completing the conversion.

Unlock and train a Blood Demon Art

Transformation does not, by itself, unlock an art’s full moveset. An independent guide reviewed September 20, 2026, describes this sequence:

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  1. After becoming a demon, use the Biwa Bell route to reach the Muzan interaction.
  2. Ask Muzan for power and obtain an Evil Art Orb.
  3. Consume the orb, then complete the training objective it assigns.
  4. Check the skill tree for any remaining mastery, equipment, or move-specific requirements.

Another community walkthrough mentions spins and art-related boss drops as possible acquisition routes, but also notes that availability or behavior may differ by region and live client. Treat these as reported possibilities, not guaranteed ways to obtain an art. Owning or rolling an art is not the same as finishing its training.

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Check the art’s equipment requirements

Blood Manipulation is reported to require Sickles for its moves. The art and the required weapon are separate gates: check the selected orb’s exact name and the skill tree’s equipment condition before investing in it. A level requirement observed in one guide is not established as a permanent threshold.

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Choose a path with its tradeoffs in mind

Community guides report that conversion removes access to breathing styles and Slayer trainers, and that daylight can be dangerous for demons. One guide also characterizes changing paths again as costly or uncertain, without establishing a permanent reset price. Check the game’s current conversion prompt and consequences before committing.

For choosing an art, compare its combat role, training, and equipment needs with what you want to do next. One guide describes Ice as flexible control and Blood Manipulation as coordinated damage with a Sickle requirement; these are guide assessments, not controlled comparisons or a universal ranking.

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