Experienced Tristan

Experienced Tristan is a Mechon that is a Unique Monster in Xenoblade Chronicles. It can be found at level 64 on the second floor of Agniratha, southwest of the 1st Control Platform. It can drop Advanced Frames needed for the "A Weapon Just For Me" quest.

Chests rates

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

Wood

 * Materials
 * Advanced Frame - 77%
 * Spathi Glyph - 23%

Silver

 * Cylinders
 * Buff Time Plus IV - 21.4%
 * Double Attack IV - 21.4%
 * Weapons
 * Swallow Blades - 6.4%
 * Machina Guarder II - 6.1%
 * Machina Sword II - 5.3%
 * Machina Biter II - 3.6%
 * Armors
 * Alcyone Gloves - 10.3%
 * Sleek Oil - 9.9%
 * Retrieved Boots - 8.6%
 * H Speed Frame - 6.9%

Gold

 * Weapons
 * Machina Guarder III - 12.8%
 * Machina Blade III - 6.4%
 * Unique Weapons
 * Machina Blade II - 12.8%
 * Machina Nibbler II - 6.4%
 * Unique Armors
 * Agrius Helm - 32.1%
 * Agrius Plate - 16%
 * Advanced Books
 * Metal Blast - 6.1%
 * Stream Edge - 4.1%
 * Riki is Angry - 2.2%
 * Healing Gift - 1%