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There are 3 challenges in form of seals in every level. Accomplish 3 of the same type to unlock a costume. One of the five seals does not unlock a costume, it's for people which just want to accomplish all of them (I added its image to the basic costume, just for completeness).
Path Of The Ninja
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- 1 Attack item.
- 1 Distraction item.
- This is the starting outfit.
- Ninja Seal.
Path Of The Mark
- Mark of Serenity allows the player to teleport.
- 1 Attack item.
- No distraction item.
- Gained during the game when the final tattoo is applied.
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Path Of Might
- Due to the fact this costume is a suit of heavy armor: More health + Easier target knock-downs + No time-freeze in focus-mode.
- Assassinating a target replenishes health.
- 1 Attack item.
- 1 Distraction item.
- Gained by completing three 'Combat' challenges.
- Combat Seal.
Path Of The Hunter
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- Assassinations no longer require a contextual button press.
- 2 Attack items.
- No Distraction item.
- Items are not replenished when reaching a checkpoint (you can replenish your items at any supply-point by selecting the same costume again).
- Gained by completing three 'Aggression' challenges.
- Aggression Seal.
Path Of Silence
- Footsteps completely muffled.
- No sword.
- No attack item.
- 2 Distraction items.
- Gained by completing three 'Stealth' challenges.
- Stealth Seal.
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Path Of Nightmares
- Assassinations (and finding dead bodies) can terrorize guards.
- 1 Attack item.
- No distraction items.
- Gained by completing three 'Terror' challenges.
- Terror Seal.
Path Of Wisdom
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- No sword; you have a non-lethal takedown (enemies can still be killed through indirect means or attack items).
- No time-freeze in focus-mode.
- Item quantities are doubled.
- Replenish two of every item when reaching a checkpoint.
- No farsight.
- Gained by completing the mission: A Tale from the Past.
Source: https://gameplay.tips/guides/3189-mark-of-the-ninja.html
More Mark of the Ninja guilds
- All Guilds
- Special Edition Achievement Guide
- Mark of the Ninja - [RUS]
- Scrolls Guide / (RU & EN)
- , +
- Mark of the Ninja Guide 6
- Mark of the Ninja Guide 5
- MotN Scoring System
- Mark of the Ninja - 100% Achievement Guide (Remastered)
- Mark of the Ninja - Voice of the Hisomu Scrolls (Remastered)