M56 Prototype

The M56 Prototype is an enemy in Xenoblade Chronicles that are members of the Mechon family. They can be found at level 54 on the Digit 5 Beach and in the Digit 1 Crevasse on the Fallen Arm. Defeating ten of them is required to complete the "Stop the Mechon Rampage!" quest. They can also drop Dated Frames, which are required for the "Fixing a Broken Door" quest.

Chests rates

 * Wood = 77.6%
 * Silver = 19.4%
 * Gold = 3%

Wood

 * Materials
 * Old Part S - 79.9%
 * Dated Frame - 20.1%

Silver

 * Cylinders
 * Lock-On Resist IV - 31.3%
 * Earth Cloak IV - 31.3%
 * Weapons
 * Prosperity Biter - 8.3%
 * Mirage Staff - 4.2%
 * Armors
 * Amethyst Armour - 8.5%
 * Orion Bottoms - 6.3%
 * Amethyst Boots - 5.7%
 * Stellar Gauntlets - 4.5%

Gold

 * Weapons
 * Barrier Gnasher - 8.8%
 * Snaer Striker - 7.3%
 * Wisdom Rod - 4.9%
 * Unique Weapons
 * Dividing Line - 18%
 * Fish Biter - 3%
 * Unique Armors
 * Styptic Leggings - 22%
 * Earth Boots - 18.3%
 * Blade Gear - 12.3%
 * Advanced Books
 * Cure Round - 2.4%
 * Anchor Chain - 1.6%
 * Heal Bullet - 0.9%
 * Power Drain - 0.4%