21O

21O
Rarity	3-star - 5-star
Role
Acquisition	Rare Summon
Time Limited	Collaboration
CG LB	No
Series	NieR:Automata
Gender	Female‎
Race	Machina
No.	782, 783, 784
TMR	Mechanical HeartMechanical Heart Mechanical Heart Increase HP/SPR (15%) Chance to counter physical attacks (30%) with Mechanical HeartMechanical Heart Heal (800 HP, 1x) to caster Chance to counter magic attacks (30%) with Mechanical HeartMechanical Heart Heal (800 HP, 1x) to caster

A unit of the YoRHa soldiers, a group from a faraway world made up of androids. A communications operator stationed in the bunker, she is in charge of relaying instructions to YoRHa soldiers on the ground and providing data analysis. Though individual personalities can vary, she is very calm and serious. She dislikes any conversation which does not pertain to missions. As 9S's operator, she provides him with mission support.

Statistics

Stats

Rarity	HP	MP	ATK	DEF	MAG	SPR	Attack Hits	Drop Check	Exp. Growth Pattern
3-star	1381 900 + 450	82 150 + 75	66 65 + 32	63 65 + 32	49 65 + 32	53 65 + 32	2	3	4
4-star	1796 900 + 450	107 150 + 75	86 65 + 32	83 65 + 32	64 65 + 32	70 65 + 32	2	4	4
5-star	2336 900 + 450	140 150 + 75	112 65 + 32	108 65 + 32	84 65 + 32	92 65 + 32	2	5	4

Resistance

Element Resistance
-	-	-	-	-	-	-	-
Status Ailment Resistance
-	-	-	-	-	-	-	-

Equipment

Weapons
Armors
Rarity	Ability Slots	Affinity
3-star	2	-
4-star	3	-
5-star	4	-

Innate Abilities

Special

Active
Min rarity	Level	Icon	Name	Effect	Hits	MP
3-star	10		R010: Lazer	Physical damage (2x) to one enemy	1Attack frames: 60	16
3-star	40		Material Transfer	Randomly use: (50%) Material Transfer Heal (400 HP, 3x) to all allies (30%) Material Transfer Heal (1000 HP, 3.4x) to all allies (20%) Material Transfer Heal (2500 HP, 18x) to all allies		18
4-star	28		Data Analysis	View info on one enemy Decrease all elements resistance (30%) for 3 turns to one enemy		35
4-star	60		Support All: 21O	Increase ATK and DEF (40%) for 3 turns to all allies		53
5-star	68		Support One: DEF/SPR	Increase DEF and SPR (80%) for 2 turns to one ally		24
5-star	75		Support One: ATK/MAG	Increase ATK and MAG (80%) for 2 turns to one ally		24
5-star	80		A100: Decoy	Fixed attack with physical damage (1.5x) with delay (1 turn) to all enemies Evade 1 physical attack for 3 turns to caster	4Attack frames: 2,12,22,32	24
Passive Sort
Min rarity	Level	Icon	Name	Effect
3-star	18		MP +10%	Increase MP (10%)
4-star	47		Physical Damage Cut +2	Increase DEF (20%)
5-star	34		Ranged Damage Cut +2	Increase SPR (20%)
5-star	54		Max HP Boost	Increase HP (10%)

Limit Burst

Rarity	Name	Effect		Hits	Cost
3-star	Reckless	Base Lv 1	Physical damage (3x) to all enemies Inflict one random status ailment (10%) to all enemies	11Attack frames: 181,191,201,211,221,231,241,251,261,271,281	12
		Max Lv 10	Physical damage (3.9x) to all enemies Inflict one random status ailment (28%) to all enemies
4-star	Reckless	Base Lv 1	Physical damage (3.5x) to all enemies Inflict 2 random status ailments (20%) to all enemies	22Attack frames: 181,186,191,196,201,206,211,216,221,226,231,236,241,246,251,256,261,266,271,276,281,286	14
		Max Lv 15	Physical damage (4.9x) to all enemies Inflict 2 random status ailments (48%) to all enemies
5-star	Reckless	Base Lv 1	Physical damage (4x) to all enemies Inflict 3 random status ailments (30%) to all enemies	36Attack frames: 181,184,187,190,193,196,199,202,205,208,211,214,217,220,223,226,229,232,235,238,241,244,247,250,253,256,259,262,265,268,271,274,277,280,283,286	16
		Max Lv 20	Physical damage (5.9x) to all enemies Inflict 3 random status ailments (68%) to all enemies

Awakening Materials

4-star	5-star
Allure Powder (25) Esper Cryst (15) Rainbow Needle (10) Heaven's Ash (5) Sacred Crystal (5) 1,500	Rainbow Needle (20) Wicked Drop (10) Sacred Crystal (10) Brilliant Ray (5) Holy Crystal (5) 2,500

Sprites

3-star	4-star	5-star

Quotes

User Review

Notes

Gameplay

• Obtainable through Rare Summons during the NieR:Automata Collaboration Event, Destroy the Machine Lifeform.
• Takes added physical damage from Machine Killer resources.

Trivia

• Her full name stands for YoRHa No. 21 Type O (Operator)