KOS-MOS/Gameplay (XC2)

KOS-MOS
Driver	any
Gender	Female
Type	Humanoid
Weapon	Ether Cannon

This article is about KOS-MOS's gameplay in this specific game. For information on the character in general, see KOS-MOS.

KOS-MOS is a Rare Blade in Xenoblade Chronicles 2.

Stats

Note: Cooldown time depends on Trust.

General stats

Element	Light
Weapon class	Ether Cannon
Default weapon	Primitive Cannon
Cooldown time	15.00s
Aux Core Slots	3
Merc Group name	Erde Kaiser

Stat modifiers

Physical defense	+20%
Ether defense	+20%
Maximum HP	+0%
Strength	+0%
Ether	+20%
Dexterity	+0%
Agility	+0%

Favorite items

Categories	Staple Foods
	Board Games
Items	Gladiator Wrestling
	Master's Curry

Base rarity

Group 1	0.1%
Group 2	0.1%
Group 3	0.1%
Group 4	0.1%
Group 5	0.1%
Pity Blade	—

Skills

Specials

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

Blade Arts

Name	Probability	Recharge	Description
Recharge Boost	50%	22.5s	Boosts Arts recharge from auto-attack.
Arts Plus	50%	18.75s	Boosts power of next Driver Art.
Critical Up	75%	15s	Increases critical hit rate.

Battle Skills

Name	Description
Encephalon	Reduces aggro build-up from attacks by 20-40%.
Hyperclock	Deal 60-100% more and take 10-30% less damage at max Affinity.
Phase Transition Tech	Annuls enemy defense and increases Special damage dealt by 60-100%.

Field Skills

Name	Description
Light Mastery	The power of a Light Blade.
Lockpicking	The power to open various things. Works on doors, treasure troves, etc.
Mental Arithmetic	Perform complex calculations at speed. Skill exclusive to KOS-MOS.

Affinity Chart

		Level 1	Level 2	Level 3	Level 4	Level 5
Key affinity condition		(unlocked)	Increase Trust. (x100)	Increase Trust. (x1,300)	Increase Trust. (x3,800)	Go to the 7th Perimeter Skyport, World Tree and complete the quest "Artificial Intelligence". Revealed After Zeke reminisces about his discussion with Amalthus on the Upper Level of the World Tree. After having access to Nia, Tora, Mòrag, and Zeke
Reward text			Expansion of main system functions is complete.	Enhancement of main system functions is complete.	Update of main system functions is complete.	I offer thanks to you, Master.
Reward			Justice x200	Justice x300	Justice x500	Justice x800
R-Blade	Effect	Increases critical damage by 25%.	Increases critical damage by 40%.	Increases critical damage by 55%.	Increases critical damage by 70%.	Increases critical damage by 85%.
	Condition	(unlocked)	Defeat a Wood Bunnit in Gormott. (x5) Revealed after chapter 2 begins.	Use R-Blade. (x11)	Use R-Blade. (x12)	Use R-Blade. (x13)
	Reward text		Clean up complete. Battle systems enhanced.	Battle systems enhanced.	Battle systems enhanced. Firepower increased.	Battle systems expanded. Diagnostics indicate further expansion may be hazardous.
	Reward		Bravery x200	Bravery x300	Bravery x500	Bravery x800
H-Effect R	Effect	When landing a hit, restores 30% of damage dealt to the whole party.	When landing a hit, restores 35% of damage dealt to the whole party.	When landing a hit, restores 40% of damage dealt to the whole party.	When landing a hit, restores 45% of damage dealt to the whole party.	When landing a hit, restores 50% of damage dealt to the whole party.
	Condition	(unlocked)	Perform a Blade Combo. (x5)	Use H-Effect R. (x8)	Use H-Effect R. (x9)	Finish an enemy. (x40)
	Reward text		Weapon systems enhanced. Enhancements are available in future battles.	Weapon systems enhanced. Battlefield capabilities improved.	Weapon systems enhanced. Mobility systems have been optimized.	Weapon systems enhanced. Diagnostics indicate further enhancement may be hazardous.
	Reward		Justice x200	Justice x300	Justice x500	Justice x800
F-G-Shot	Effect	Adds a 60% chance of dealing a guard-annulling attack.	Adds a 70% chance of dealing a guard-annulling attack.	Adds a 80% chance of dealing a guard-annulling attack.	Adds a 90% chance of dealing a guard-annulling attack.	Adds a 100% chance of dealing a guard-annulling attack.
	Condition	(unlocked)	Use F-G-Shot. (x5)	Perform a Driver Combo. (It's enough to just be present.) (x7)	Use F-G-Shot. (x7)	Defeat a Gerolf Sovereign at the World Tree. (x4) Revealed after the party enters the World Tree.
	Reward text		Ether conversion rate increased. Output has been significantly boosted.	Locked on to leader's movements. Strategic capabilities will be enhanced in subsequent battles.	Ether conversion rate increased. Battlefield capabilities improved.	Ether conversion rate increased. Diagnostics indicate that further increase would be hazardous.
	Reward		Compassion x200	Compassion x300	Compassion x500	Compassion x800
		Level 1	Level 2	Level 3	Level 4	Level 5
Phase Transition Tech	Effect	Annuls enemy defense and increases Special damage dealt by 60%.	Annuls enemy defense and increases Special damage dealt by 70%.	Annuls enemy defense and increases Special damage dealt by 80%.	Annuls enemy defense and increases Special damage dealt by 90%.	Annuls enemy defense and increases Special damage dealt by 100%.
	Condition	(unlocked)	Perform a Blade Combo. (x5)	Perform a Blade Combo. (x7)	Perform a Blade Combo. (x10)	Perform a Blade Combo. (x12)
	Reward text		Support mode is fully operational.	Support systems enhanced.	Master. I hope you are satisfied with my performance.	Threats met with maximal force.
	Reward		Justice x200	Justice x300	Justice x500	Justice x800
Hyperclock	Effect	Deal 60% more and take 10% less damage at max Affinity.	Deal 70% more and take 15% less damage at max Affinity.	Deal 80% more and take 20% less damage at max Affinity.	Deal 90% more and take 25% less damage at max Affinity.	Deal 100% more and take 30% less damage at max Affinity.
	Condition	Perform a Blade Combo. (x2)	Use KOS-MOS's favorite pouch items. (Board Games category) (x2)	At a place in the First Low Orbit Station with a view of the outside, view the Heart-to-Heart "Daybreak". Revealed after the party has reached the First Low Orbit Station.	Raise Affinity in combat. (x6)	Raise Affinity in combat. (x7)
	Reward text	Master, a report. New power is ready to deploy on your mark.	Thank you, Master.	Databanks enhanced with new input from Master-Blade conversation.	Analysis systems expanded. Battlefield contribution has been significantly increased.	I will deploy all available resources to support your attack, Master.
	Reward	Justice x100	Justice x200	Justice x300	Justice x500	Justice x800
Encephalon	Effect	Reduces aggro build-up from attacks by 20%.	Reduces aggro build-up from attacks by 25%.	Reduces aggro build-up from attacks by 30%.	Reduces aggro build-up from attacks by 35%.	Reduces aggro build-up from attacks by 40%.
	Condition	(unlocked)	Perform a Driver Combo. (It's enough to just be present.) (x5)	Perform a Driver Combo. (It's enough to just be present.) (x7)	Perform a Driver Combo. (It's enough to just be present.) (x10)	Perform a Driver Combo. (It's enough to just be present.) (x12)
	Reward text		Superb movement, Master.	Would you like me to display the results of my strategic simulation?	Master. Please remember that you can count on my support.	Master! I will participate in your assaults.
	Reward		Truth x200	Truth x300	Truth x500	Truth x800
		Level 1	Level 2	Level 3	Level 4	Level 5
Light Mastery	Effect	The power of a Light Blade.
	Condition	(unlocked)		Defeat a Spanner Bunnit in Mor Ardain. (x5) Revealed after the party arrives in Mor Ardain.	Defeat a Gerolf Sovereign at the World Tree. (x4) Revealed after the party enters the World Tree.
	Reward text			Output increased. Significantly more power resources became available.	Master, output has increased to the maximal possible value.
	Reward			Justice x300	Justice x500
Lockpicking	Effect	The power to open various things. Works on doors, treasure troves, etc.
	Condition	(unlocked)		Collect stuff. (x7)	Collect stuff. (x7)
	Reward text			New analysis subroutines became available.	High-level analysis subroutines became available.
	Reward			Justice x300	Justice x500
Mental Arithmetic	Effect	Perform complex calculations at speed. Skill exclusive to KOS-MOS.
	Condition	(unlocked)		Use a Special. (x11)		Use a Special. (x15)
	Reward text			Update complete.		Enemy annihilation complete.
	Reward			Truth x300		Truth x800

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