Knight

The character that the player controls in the game of Hollow Knight.

The Knight is a Vessel born to the higher beings the Pale King and the White Lady, with Void inside their shell. Vessels are stated to be the progeny and spawn of the King and Queen of Hallownest; beginning their lives born from eggs which are found in an area of The Abyss known as The Birthplace.

Through all references and events in-game, the Knight is never once referred to with a gender. This is deliberate, as Vessels are genderless beings. This fact is made more clear by Hornet being called "The Gendered Child" leaving her to be the only progeny of the Pale King to have a gender.

In the Birthplace cutscene, it is shown that the Knight fell back into the Abyss after it was sealed. However, at the start of the game, they can be seen wandering around the Howling Cliffs after being called back to Hallownest by either The Radiance or The Hollow Knight. It is unknown how they managed to escape from the Abyss.

The Knight's resilience is born from two voids; one being the Void that the Knight has within them, and the other void being the area outside of Hallownest. Spending time in this area caused the Knight to lose their memories.

Once the Knight obtains Void Heart and remembers their past, they are able to unify the Void under their will. They acquired this ability by accepting the Void inside themselves. The creature in the area where the Shade Cloak refers to the Knight as the Lord of Shades after they gain Void Heart.

At the beginning of the game, the Knight is equipped with only their Old Nail and the ability to heal themselves using SOUL. Throughout the game, the Knight gains access to new powers and items to help them through their journey.

Health
Both lifeblood and regular masks are equivalent to approximately 25 enemy health (although                       it may be up to 4.44444444 more. See Ooma for details on how this is determined).

Upgrades and Equipment
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Nail
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Charms

 * Nail 1 Old Nail.png
 * Charms prompt.png
 * The Knight's main weapon, able to swing in any direction. The nail can be swung downwards while the Knight is above spikes, enemies, or certain objects, which can be a useful tool for traversing Hallownest. The nail can be upgraded for stronger strikes, and charged attacks called Nail Arts can be learned from the Nailmasters.
 * Special trinkets acquired through adventuring or by purchasing from other bugs. By equipping them on available Notches, Charms enhance the Knight's power through a variety of different methods, including increasing health, reducing heal times, spawning allied hatchlings, and more.
 * colspan="2" |
 * Special trinkets acquired through adventuring or by purchasing from other bugs. By equipping them on available Notches, Charms enhance the Knight's power through a variety of different methods, including increasing health, reducing heal times, spawning allied hatchlings, and more.
 * colspan="2" |
 * colspan="2" |

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Spells
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Abilities

 * Vengeful Spirit.png
 * Skill Mantis Claw.png
 * First acquired from the Snail Shaman, these magical attacks deal large amounts of damage in short bursts, at the cost of using the Knight's SOUL meter. Each Spell can be upgraded to a stronger version by finding hidden rooms throughout Hallownest.
 * Skills and tools found throughout Hallownest that allow the Knight to more effectively traverse the terrain and engage enemies in combat, including dashing, wall-jumping, and double-jumping.
 * }
 * Skills and tools found throughout Hallownest that allow the Knight to more effectively traverse the terrain and engage enemies in combat, including dashing, wall-jumping, and double-jumping.
 * }

Trivia

 * The Knight's design is taken from Team Cherry's first game, Hungry Knight, which was made during a Game Jam that started the company.
 * While the two games are very different, Team Cherry has stated that they "liked the main character and the general aesthetic so much that [they] fleshed it out and expanded on it."
 * This plan was put forward through the conceptual "Hungry Bug" artworks done by Ari Gibson, which helped visualize and shape the world of Hollow Knight.
 * Mister Mushroom makes reference to the Hungry Knight in his first dialogue with them, saying "...It's nice that you were able to help your friend. So you're not hungry any more?"
 * The Steam Trading Card refers to the Knight as "Hollow Knight," though this is most likely only to avoid spoiling the identity of the true Hollow Knight.
 * When the Knight has one Mask left, Void particles can be seen floating off them. Their posture also changes from upright to a bent over, gasping stance.