KOS-MOS

KOS-MOS is a Rare Blade in Xenoblade Chronicles 2. She can grant tremendous power to her Drivers, Rex, Nia, Zeke or Mòrag, and their allies. KOS-MOS uses the light element, wields an Ether Cannon, and acts as an Attacker in battle. She is known as KOS-MOS Re: in the Japanese version.

KOS-MOS is a featured character based on KOS-MOS from the Xenosaga series. She is an armored android robot combat weapon with an artificial intelligence. Her design is based on the KOS-MOS's Version 1 model from Xenosaga Episode I: Der Wille zur Macht; both the original and redesign are by Kunihiko Tanaka. Her cannons' design resembles the Zohar.

Abilities

Blade Specials

Lvl.1 - R-Blade - Puts enemies into a hornet's nest by spraying out bullets.
Lvl.2 - H-Effect R - Develop the Hilbert Effect and change the course of battle.
Lvl.3 - F-G-Shot - After charging energy, shoot out scattered laser beams.
Lvl.4 - X-Buster - Fire a concentrated laser beam, but only when energy reserves are full.

Blade Arts

Recharge Boost - Boosts Arts recharge from auto-attack.
Arts Plus - Boosts power of next Driver Art.
Critical Up - Increases critical hit rate.

Battle Skills

Phase Transition Tech - Annuls enemy defense and increases Special damage dealt.
Hyperclock - Deal more damage and take less damage at max affinity.
Encephalon - Reduces aggro build-up from attacks.

Field Skills

Light Mastery - Lvl. 3
Lockpicking - Lvl. 3
Mental Arithmetic - Lvl. 3 (Skill exclusive to KOS-MOS)

Favorite Items

Pouch item types: Staple Foods, Board Games
Pouch items: Master's Curry (Staple Foods), Gladiator Wrestling (Board Games)

Affinity Chart

Type	Name	Skill Level	Affinity Level	Effect	Prerequisite	Count	Flavor Text
Key Affinity Reward		1	1	Affinity Chart level 1 unlocked
		2	2	Unlocks level 2 of the Affinity Chart	Increase Trust	100	"Expansion of main system functions is complete."
		3	3	Unlocks level 3 of the Affinity Chart	Increase Trust	1,300	"Enhancement of main system functions is complete."
		4	4	Unlocks level 4 of the Affinity Chart	Increase Trust	3,800	"Update of main system functions is complete."
		5	5	Unlocks level 5 of the Affinity Chart. Affinity bond will be easier to sustain.	Go to the 7th Perimeter Skyport, World Tree and complete the quest "Artificial Intelligence".		"I offer thanks to you, Master."
Blade Special	R-Blade	1	1	Increases critical damage by 25%
		2	2	Increases critical damage by 40%	Defeat a Wood Bunnit in Gormott	5	"Clean up complete. Battle systems enhanced."
		3	3	Increases critical damage by 55%	Use R-Blade	11	"Battle systems enhanced."
		4	4	Increases critical damage by 70%	Use R-Blade	12	"Battle systems enhanced. Firepower increased."
		5	5	Increases critical damage by 85%	Use R-Blade	13	"Battle systems enhanced. Diagnostics indicate further expansion may be hazardous."
	H-Effect R	1	1	When landing a hit, restores 30% of damage dealt to the whole party
		2	2	When landing a hit, restores 35% of damage dealt to the whole party	Perform a Blade Combo	5	"Weapon systems enhanced. Enhancements are available in future battles."
		3	3	When landing a hit, restores 40% of damage dealt to the whole party	Use H-Effect R	8	"Weapon systems enhanced. Battlefield capabilities improved."
		4	4	When landing a hit, restores 45% of damage dealt to the whole party	Use H-Effect R	9	"Weapon systems enhanced. Mobility systems have been optimized."
		5	5	When landing a hit, restores 50% of damage dealt to the whole party	Finish an enemy	40	"Weapon systems enhanced. Diagnostics indicate further enhancement may be hazardous."
	F-G-Shot	1	1	Adds a 60% chance of dealing a guard-annulling attack
		2	2	Adds a 70% chance of dealing a guard-annulling attack	Use F-G-Shot	5	"Ether conversion rate increased. Output has been significantly boosted."
		3	3	Adds a 80% chance of dealing a guard-annulling attack	Perform a Driver Combo (It's enough to just be present)	7	"Locked on to leader's movements. Strategic capabilities will be enhanced in subsequent battles."
		4	4	Adds a 90% chance of dealing a guard-annulling attack	Use F-G-Shot	7	"Ether conversion rate increased. Battlefield capabilities improved."
		5	5	Adds a 100% chance of dealing a guard-annulling attack	Defeat a Gerolf Sovereign at the World Tree	4	"Ether conversion rate increased. Diagnostics indicate that further increase would be hazardous."
Battle Skill	Phase Transition Tech	1	1	Annuls enemy defense and increases Special damage dealt by 60%
		2	2	Annuls enemy defense and increases Special damage dealt by 70%	Perform a Blade Combo	5	"Support mode is fully operational."
		3	3	Annuls enemy defense and increases Special damage dealt by 80%	Perform a Blade Combo	7	"Support systems enhanced."
		4	4	Annuls enemy defense and increases Special damage dealt by 90%	Perform a Blade Combo	10	"Master, I hope you are satisfied with my performance."
		5	5	Annuls enemy defense and increases Special damage dealt by 100%	Perform a Blade Combo	12	"Threats met with maximal force."
	Hyperclock	1	1	Deal 60% more and take 10% less damage at max Affinity	Perform a Blade Combo	2	"Master, a report. New power is ready to deploy on your mark."
		2	2	Deal 70% more and take 15% less damage at max Affinity	Use KOS-MOS's favorite pouch items (Board Games category)	2	"Thank you, Master."
		3	3	Deal 80% more and take 20% less damage at max Affinity	At a place in the First Low Orbit Station with a view of the outside, view the Heart-to-Heart "Daybreak"		"Databanks enhanced with new input from Master-Blade conversation."
		4	4	Deal 90% more and take 25% less damage at max Affinity	Raise Affinity in combat	6	"Analysis systems expanded. Battlefield contribution has been significantly increased."
		5	5	Deal 100% more and take 30% less damage at max Affinity	Raise Affinity in combat	7	"I will deploy all available resources to support your attack, Master."
	Encephalon	1	1	Reduces aggro build-up from attacks by 20%
		2	2	Reduces aggro build-up from attacks by 25%	Perform a Driver Combo (It's enough to just be present)	5	"Superb movement, Master."
		3	3	Reduces aggro build-up from attacks by 30%	Perform a Driver Combo (It's enough to just be present)	7	"Would you like me to display the results of my strategic simulation?"
		4	4	Reduces aggro build-up from attacks by 35%	Perform a Driver Combo (It's enough to just be present)	10	"Master. Please remember that you can count on my support."
		5	5	Reduces aggro build-up from attacks by 40%	Perform a Driver Combo (It's enough to just be present)	12	"Master! I will participate in your assaults."
Field Skill	Light Mastery	1	1	The power of a Light Blade.
		2	3		Defeat a Spanner Bunnit in Mor Ardain	5	"Output increased. Significantly more power resources became available."
		3	4		Defeat a Gerolf Sovereign at the World Tree	4	"Master, output has increased to the maximal possible value."
	Lockpicking	1	1	The power to open various things. Works on doors, treasure troves, etc.
		2	3		Collect stuff	7	"New analysis subroutines became available."
		3	4		Collect stuff	7	"High-level analysis subroutines became available."
	Mental Arithmetic	1	1	Perform complex calculations at speed. Skill exclusive to KOS-MOS
		2	3		Use a Special	11	"Update complete."
		3	5		Use a Special	15	"Enemy annihilation complete."

Quest

Some point after awakening her, she will start the quest Artificial Intelligence.

Trivia

KOS-MOS from the Xenosaga series has most of the time red eyes, and blue eyes at the times when her original persona (Mary Magdalene) is awake. But, in Xenoblade Chronicles 2 she has apparently pink eyes.
The Pink blades around KOS-MOS are known as a "Gravity Shell" and, according to his Production Note, were added by Kunihiko Tanaka to make her more like a magical girl.

Merchandise

Following Pyra and Mythra figures by Good Smile Company, and Siren by Kotobukiya, a KOS-MOS figure made into a 1/7 scale by Good Smile Company and based on her design from Xenoblade Chronicles 2 was announced on July 29th, 2018.

KOS-MOS

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