Venerable Focalor

Venerable Focalor is a Mechon that is a Unique Monster in Xenoblade Chronicles. It can be found at level 64 on the Training Ground Roof inside the Central Factory. It must be defeated to complete the "Roof Battle" quest. It can drop the Reinforced Thrusters needed for the "A Weapon Just For Me" quest.

Chests rates

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

Wood

 * Materials
 * Reinforced Thruster - 73%
 * Spathi Glyph - 27%

Silver

 * Cylinders
 * Ether Down IV - 21.4%
 * Topple Resist IV - 21.4%
 * Weapons
 * Machina Sniper II - 6.4%
 * Star Knives - 6.1%
 * Machina Blade III - 5.3%
 * Delay Blades - 3.6%
 * Armors
 * Retrieved Leggings - 11.9%
 * Taurus Plate - 9.9%
 * H Ether Goggles - 7.9%
 * M100 Cuisses - 6%

Gold

 * Weapons
 * Machina Sniper II - 5.9%
 * Machina Guarder III - 5.6%
 * Machina Blade III - 4.9%
 * Machina Staff III - 3.3%
 * Unique Weapons
 * Machina Rifle III - 5.9%
 * Machina Driver III - 5.6%
 * Machina Sword III - 4.9%
 * Machina Nibbler III - 3.3%
 * Unique Armors
 * Combatant Boots - 39.2%
 * Lord Leggings - 5.9%
 * Agni Plate - 4%
 * Advanced Books
 * Power Effect - 5.4%
 * Aura Bullet - 3.6%
 * Serene Heart - 1.9%
 * Burninate - 0.9%