Arcadia Oaks-pedia
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Arcadia Oaks-pedia

Onyx Shards were deadly weapons of dark magic wielded by the Green Knight, used to corrupt its victim's heart and turn them into mindless slaves, or even fatally wounding them.


History[]

Arthur was granted access to the shards after his resurrection, when Excalibur was corrupted by the Arcane Order's dark magic.

He later critically wounded Jim when they were fighting below Hoboken. Merlin was forced to place his fallen champion into stasis to prevent the shard from crawling its way into the boy's heart.

When Arthur and Morgana fought for the last time, Arthur lethally wounded Morgana with a shard, but not before she wrested his control over Excalibur, thus stripping the sword permanently of its ability to produce onyx shards. Jim was even cured from his corruption and reverted back to his original human form, thanks to Claire's shadow magic.

Description[]

As the name implies, onyx shards are irregularly-shaped black crystals.

Abilities[]

The shards are able to corrupt a victim's heart if it strikes them in the chest, even a considerably strong-willed individual, like Jim. Once it completely enters the heart, it turns the victim into a monster, effectively turning them into a brainwashed slave under the user's control. According to Merlin, there is no known cure to remove the shards (or more specifically, an easy way).

The shard that affected Jim even prevented him from summoning his weapons, leaving him virtually defenseless.

The shards are potent enough to fatally wound powerful wizards, like Merlin and Morgana.

Weaknesses[]

The only known ways to pause the onyx shard's process is by placing the victim in stasis within a crystal or, in Jim's case, travelling back in time to freeze the corruption temporally (though they will still remain critically injured).

The victim can be freed completely from the corruption caused by the shard only if its user is killed (in this case, Arthur).

Episode Appearances[]

Appearances in the Trilogy

Wizards[]

Limited Series[]

Trivia[]

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