Light Disc

The  is a thrown melee weapon that stacks up to five, meaning you can throw up to five at once (although this requires the crafting of five separate light disks). Its range is the longest of all thrown weapons. When thrown, it emits a miniscule amount of blue light. The Light Disc will bounce when it hits a wall. If in an enclosed area, it can bounce rapidly, making it extremely hard to dodge, this makes it quite an effective weapon.

The Light Disc has extended range when wearing Hallowed Armor, or any other armor that grants a Melee Speed boost. When wearing Hallowed Armor, the weapon can be thrown for around fifty blocks.

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Trivia

 * The Light Disc is most likely a reference to the Tron franchise, in which characters battle with deadly "Identity Discs".
 * It may also be a reference to the side-scrolling NES platformer game, Shatterhand, where the weapon seen in this video of Shatterhand at around 8 minutes may resemble the Light Disc. As seen in the video, the sprite are comparable, the discs ricochets and you can shoot multiple discs at the same time.

Bugs

 * Sometimes, when the player is standing by a one tile wide wall and throws the light disk, the light disk passes through the wall. This works with Boomerangs and the Magical Harp ($1/2$ of the time) as well.
 * If thrown correctly, it can often pass through blocks in random places.Flight_pattern_light_disc.png
 * When the Light Disc bounces off of a grass covered dirt block it produces particles as if it was boucing off Crimson covered dirt blocks.