Lightspeed Sonid

Lightspeed Sonid is a Unique Monster in Xenoblade Chronicles that is a member of the Eks family. It can be found at level 44 at Anu Shore at the Eryth Sea. It must be defeated to complete the Alcamoth version of the "Challenge 4" quest. It also drops Silver Eks Plates, two of which are needed for the "Starlight Seeker" quest.

Chests Rates

 * Wood = 0%
 * Silver = 0%
 * Gold = 100%

Wood

 * Materials
 * Silver Eks Plate - 77%
 * Esse Glyph - 23%

Silver

 * Crystals
 * Bleed Defence III / Agility Up III - 25%
 * Bleed Defence III / Strength Down III - 25%
 * Weapons
 * Dream Gnasher - 7%
 * Saint Rod - 5.8%
 * Moonlit Defender - 3.9%
 * Armors
 * Shell Gauntlets - 13.9%
 * League Armour - 11.6%
 * League Leggings - 7.8%

Gold

 * Weapons
 * Ironwall Gnasher (2 slots) - 10.4%
 * Crushing Guarder - 8.7%
 * Ironwall Gnasher (3 slots) - 5.9%
 * Unique Weapons
 * Shield Ramtok - 10.4%
 * Quitter - 8.7%
 * Firing Hammer - 5.9%
 * Unique Armors
 * Lattice Boots - 39.2%
 * Lattice Gauntlets - 5.9%
 * Heavy Cuisses - 4.9%