EOU/Ronin/Skills

This page details full data for the Ronin's skills in Etrian Odyssey Untold: The Millennium Girl. A character can Boost active skills, which add 5 level to the skill while keeping the same TP Cost.

Katana Mastery branch

Katana Mastery 刀マスタリー
Mastery Skill Enables Katana skills and increases damage dealt with katanas. Improve to learn new katana skills.
Level	1	2	3	4	5	6	7	8	9	10
Katana ATK Increase	2%	3%	5%	6%	8%	9%	11%	12%	13%	15%

Slantwise Cut 踏み袈裟改
Katana Skill Melee cut attack to 1 enemy. Enables skills requiring a stance afterward. Allows the use of stance skills afterward, though does not grant stances' stat benefits. Melee cut attack to 1 enemy. Enables skills requiring a stance afterward. Body part used: Legs Stat(s) used: STR Prerequisite skill(s): Katana Mastery, lv. 1
Level	1	2	3	4	5	6	7	8	9	10
TP Cost	2				4					6
Damage	120%	125%	130%	135%	155%	160%	165%	170%	175%	210%
Level	11	12	13	14	15
TP Cost	6
Damage	215%	220%	225%	230%	255%

Perfect Chaser 阿吽の尾撃
Stance Skill Stance only: Follow all allies' normal attacks this turn with another attack. A melee cut attack with a katana. The follow-up activation rate lowers each time it activates. The follow-up attack is a regular attack with the user's equipped weapon. Body part used: Arms Stat(s) used: STR Prerequisite skill(s): Slantwise Cut, lv. 7
Level	1	2	3	4	5	6	7	8	9	10
TP Cost	5				8
Damage Per Hit	130%	137%	144%	151%		159%	166%	173%	180%
Initial Follow-up Rate	100%
Follow-up Rate Decrease	35%				25%					15%
Maximum Follow-Ups	3				4					5
Level	11	12	13	14	15
TP Cost	12
Damage Per Hit	188%	195%	202%	210%	230%
Initial Follow-up Rate	100%
Follow-up Rate Decrease	15%				10%
Maximum Follow-Ups	5				6

Upper Stance 上段の構え
Katana Skill An overhead stance that raises physical attack and defense for 3 turns. A stance with the katana held high overhead. Improve to increase duration. Enables Upper Stance only skills (Horse Slash, Flame Grater and Swallow Strike) Prerequisite skill(s): Katana Mastery, lv. 5
Level	1	2	3	4	5	6	7	8	9	10
TP Cost	1				3					5
Physical ATK Increase	12%	14%	16%	18%	20%	22%	24%	26%	28%	30%
Physical DEF Increase	5%				7%					10%
Duration (Turns)	3				4					5
Activation Speed	200%
Level	11	12	13	14	15
TP Cost	5
Physical ATK Increase	32%	34%	36%	38%	40%
Physical DEF Increase	11%	12%	13%	14%	15%
Duration (Turns)	5
Activation Speed	200%

Horse Slash 斬馬
Upper Skill Upper Stance only: Melee cut attack to 1 enemy. A downward stroke of the sword. Body part used: Arms Stat(s) used: STR Prerequisite skill(s): Upper Stance, lv. 1
Level	1	2	3	4	5	6	7	8	9	10
TP Cost	3				6					10
Damage	150%	158%	165%	173%	210%	220%	230%	240%	250%	300%
Level	11	12	13	14	15
TP Cost	10
Damage	310%	320%	330%	340%	400%

Flame Grater 卸し焔
Upper Skill Upper Stance only: Melee cut and fire attack to a line of enemies. Brings down a sword wreathed in flames. Body part used: Arms Stat(s) used: STR Prerequisite skill(s): Horse Slash, lv. 3
Level	1	2	3	4	5	6	7	8	9	10
TP Cost	8				11					15
Damage	160%	166%	172%	178%	205%	211%	217%	223%	229%	265%
Level	11	12	13	14	15
TP Cost	15
Damage	271%	277%	283%	289%	330%

Swallow Strike ツバメがえし
Upper Skill Upper Stance only: Multiple melee cut attacks to 1 enemy. Uses the initial strike's momentum to strike multiple times afterward. Body part used: Arms Stat(s) used: STR Prerequisite skill(s): Upper Stance, lv. 5
Level	1	2	3	4	5	6	7	8	9	10
TP Cost	10				14					18
Damage Per Hit	125%	127%	129%	131%		133%	135%	137%	140%
Number Of Hits	2				2-3					3
Damage Range	250%	254%	258%	262%	262% - 393%	266% - 399%	270% - 405%	274% - 411%	280% - 420%	420%
Average Damage	250.0%	254.0%	258.0%	262.0%	327.5%	332.5%	337.5%	342.5%	350.0%	420.0%
Hit Rate Modifier	-10%	-9%	-8%	-7%	-6%	-5%	-4%	-3%	-2%	-1%
Level	11	12	13	14	15
TP Cost	18
Damage Per Hit	142%	144%	146%	148%	170%
Number Of Hits	3
Damage Range	426%	432%	438%	444%	510%
Average Damage	426.0%	432.0%	438.0%	444.0%	510.0%
Hit Rate Modifier	+0%	+1%	+2%	+3%	+4%

Clear Stance 青眼の構え
Katana Skill A stance that raises physical attack and defense for 3 turns. A stance with the katana held in front. Improve to increase duration. Enables Clear Stance only skills (Razor Dodge, Lightning Stab and Arm Strike) Prerequisite skill(s): Katana Mastery, lv. 5
Level	1	2	3	4	5	6	7	8	9	10
TP Cost	1				3					5
Physical ATK Increase	5%				7%					10%
Physical DEF Increase	8%	10%	12%	14%	16%	17%	19%	21%	23%	25%
Duration (Turns)	3				4					5
Activation Speed	200%
Level	11	12	13	14	15
TP Cost	5
Physical ATK Increase	12%	14%	16%	18%	20%
Physical DEF Increase	26%	28%	30%	32%	33%
Duration (Turns)	5
Activation Speed	200%

Razor Dodge 一寸の見切り
Clear Skill Clear Stance only: Evade enemy attacks. Reads the enemy's movements to dodge their attacks. Activation rate lowers with each time it activates. Each time it activates, the chance of subsequent activations is lowered. Body part used: Legs Prerequisite skill(s): Clear Stance, lv. 1
Level	1	2	3	4	5	6	7	8	9	10
TP Cost	3				6					10
Initial Activation Rate	100%
Follow-up Rate Decrease	100%	75%	50%	40%	35%	31%	28%	25%	23%	21%
Maximum Activations	2				3					4
Level	11	12	13	14	15
TP Cost	10
Initial Activation Rate	100%
Follow-up Rate Decrease	20%	17%	14%	11%	5%
Maximum Activations	4				5

Lightning Stab 雷耀突き
Clear Skill Clear Stance only: Melee stab and volt that pierces through enemy lines. A lightning-quick stab through enemies in the front and back. Body part used: Arms Stat(s) used: STR Prerequisite skill(s): Razor Dodge, lv. 3
Level	1	2	3	4	5	6	7	8	9	10
TP Cost	7				10					13
Damage	190%	198%	206%	214%	248%	256%	254%	262%	270%	310%
Level	11	12	13	14	15
TP Cost	13
Damage	317%	323%	330%	337%	375%

Arm Strike 小手討ち
Clear Skill Clear Stance only: Melee cut attack to 1 enemy. May bind the enemy's arms. A strike aimed at the enemy's hands. Body part used: Arms Stat(s) used: STR, TEC, LUC Prerequisite skill(s): Clear Stance, lv. 5
Level	1	2	3	4	5	6	7	8	9	10
TP Cost	8				11					15
Damage	190%	200%	210%	220%	240%	250%	260%	270%	280%	300%
Arm Bind Infliction Rate	50%				60%					75%
Level	11	12	13	14	15
TP Cost	15
Damage	310%	320%	330%	340%	360%
Arm Bind Infliction Rate	76%	77%	78%	80%	100%

Drawing Stance 居合の構え
Katana Skill A stance that raises speed, hit rate, and evade rate for 3 turns. A stance with the katana sheathed for mobility. Improve to increase duration. Enables Drawing Stance only skills (Beheading Cut, Frigid Slash and Charging Slash) Prerequisite skill(s): Katana Mastery, lv. 5
Level	1	2	3	4	5	6	7	8	9	10
TP Cost	1				3					5
Action Speed Increase	20%	24%	28%	32%	44%	48%	52%	56%	60%	72%
Hit Rate Increase	13%	14%	15%	16%		17%	18%	19%	20%
Evasion Increase	13%	14%	15%	16%		17%	18%	19%	20%
Duration (Turns)	3				4					5
Activation Speed	200%
Level	11	12	13	14	15
TP Cost	5
Action Speed Increase	76%	80%	84%	88%	100%
Hit Rate Increase	21%	22%	23%	24%	28%
Evasion Increase	21%	22%	23%	24%	28%
Duration (Turns)	5
Activation Speed	200%

Beheading Cut 首討ち改
Drawing Skill Drawing Stance only: Melee cut attack to 1 enemy. May instantly kill. A strike aimed at the enemy's neck. Body part used: Arms Stat(s) used: STR, TEC, LUC Prerequisite skill(s): Drawing Stance, lv. 1
Level	1	2	3	4	5	6	7	8	9	10
TP Cost	3				6					10
Damage	135%	143%	151%	159%	180%	188%	196%	204%	212%	240%
Instant Kill Infliction Rate	35%				50%					65%
Level	11	12	13	14	15
TP Cost	10
Damage	248%	256%	264%	272%	300%
Instant Kill Infliction Rate	66%	67%	68%	69%	100%

Frigid Slash 抜刀氷雪改
Drawing Skill Drawing Stance only: Ranged cut and ice attack to all enemies. A slash with a blade coated in frost. Body part used: Arms Stat(s) used: STR Prerequisite skill(s): Beheading Cut, lv. 3
Level	1	2	3	4	5	6	7	8	9	10
TP Cost	10				14					18
Damage	155%	160%	165%	170%	196%	202%	208%	214%	220%	255%
Level	11	12	13	14	15
TP Cost	18
Damage	261%	268%	274%	282%	315%

Charging Slash 貫突
Drawing Skill Drawing Stance only: Melee stab attack to 1 enemy. A thrust with all the wielder's might. Body part used: Arms Stat(s) used: STR Prerequisite skill(s): Drawing Stance, lv. 5
Level	1	2	3	4	5	6	7	8	9	10
TP Cost	8				11					15
Damage	220%	230%	240%	250%	285%	295%	305%	315%	325%	370%
Level	11	12	13	14	15
TP Cost	15
Damage	380%	390%	400%	410%	455%

Peerless Stance 無双の構え
Stance Skill Stance only: Usable from 3 main stances. Enables all stance skills for 3 turns. Cannot be entered from Slantwise Cut or extended by casting multiple times. Improve to strengthen stat benefits. Uses the values of the stance skills at their respective current levels. Also gives its own additional stat boost. Can be extended using a Troubadour's Taboo Rondo. Body part used: Arms Prerequisite skill(s): Katana Mastery, lv. 10
Level	1	2	3	4	5	6	7	8	9	10
TP Cost	3				5					7
ATK Increase	12%	14%	16%	18%	22%	24%	26%	28%	30%	35%
DEF Increase	7%	9%	11%	13%	17%	19%	21%	23%	25%	28%
Action Speed Increase	20%	24%	28%	32%	44%	48%	52%	56%	60%	72%
Hit Rate Increase	10%	10.8%	11.6%	12.4%	13.2%	14%	14.8%	15.6%	16.4%	18%
Evasion Increase	10%	10.8%	11.6%	12.4%	13.2%	14%	14.8%	15.6%	16.4%	18%
Duration (Turns)	3
Activation Speed	200%
Level	11	12	13	14	15
TP Cost	7
ATK Increase	37%	39%	41%	43%	50%
DEF Increase	30%	32%	34%	36%	40%
Action Speed Increase	76%	80%	84%	88%	100%
Hit Rate Increase	18.8%	19.6%	20.4%	21.2%	23%
Evasion Increase	18.8%	19.6%	20.4%	21.2%	23%
Duration (Turns)	3
Activation Speed	200%

ATK Up branch

ATK Up ATKブースト
Stat Up Raises physical attack.
Level	1	2	3	4	5	6	7	8	9	10
Physical ATK Increase	2%	4%	6%	8%	10%	12%	14%	16%	18%	20%

Crit Up 一閃ブースト
Passive Skill Raises critical rate. Critical rate only applies to regular attacks from the Attack command. Prerequisite skill(s): ATK Up, lv. 5
Level	1	2	3	4	5	6	7	8	9	10
Critical Rate Increase	80%	93%	106%	120%	133%	146%	160%	173%	186%	200%

Severing Slash 一刀両断
Passive Skill Occasionally kills all enemies instantly at the start of a battle. Increased activation rate when the enemy's level is lower than yours. Severing Slash's attack is untyped and inflicts the instant death ailment if it hits. The activation rate increases if the user's level is higher than that of the highest-leveled enemy. At most the success rate is 30.625%. $\begin{array}{l}\text{Sucess (in ‰)}=\{\begin{array}{ll}ActivationRate\times (L^3÷80),& \text{if }L\le 20\\ ActivationRate\times (L^2÷4),& \text{if }L>20\end{array}\\ \text{Where }L=\max (UserLevel-HighestEnemyLevel+20,35)\end{array}$ Stat(s) used: TEC, LUC Prerequisite skill(s): Crit Up, lv. 5
Level	1	2	3	4	5	6	7	8	9	10
Activation Rate	10%	20%	30%	40%	50%	60%	70%	80%	90%	100%
Instant Kill Infliction Rate	55%	60%	65%	70%	75%	80%	85%	90%	95%	100%

HP Up branch

HP Up HPブースト
Stat Up Raises maximum HP.
Level	1	2	3	4	5	6	7	8	9	10
Max HP Increase	5%	8%	11%	13%	15%	17%	19%	21%	23%	25%

Breath 息吹
Healing Skill Restores HP to the user and adjacent allies. Uses a special breathing technique to balance your ki energy. Total HP recovered is equal to the skill's base HP recovery, plus a percentage of the target's max HP. Body part used: Head Prerequisite skill(s): HP Up, lv. 3
Level	1	2	3	4	5	6	7	8	9	10
TP Cost	3				6					10
HP Recovery (Base Value)	20	23	26	29	40	44	48	52	56	80
HP Recovery (% Of Max HP)	25%	26%	27%	28%	32%	33%	34%	35%	36%	40%
Activation Speed	120%				150%					200%
Level	11	12	13	14	15
TP Cost	10
HP Recovery (Base Value)	85	90	95	100	150
HP Recovery (% Of Max HP)	42%	44%	46%	48%	60%
Activation Speed	200%				500%

TP Up branch

TP Up TPブースト
Stat Up Raises maximum TP.
Level	1	2	3	4	5	6	7	8	9	10
Max TP Increase	5%	8%	11%	13%	15%	17%	19%	21%	23%	25%

Indomitable Cry 傲骨不敵
Battle Skill May induce fear in all enemies. Body part used: Head Stat(s) used: TEC, LUC Prerequisite skill(s): TP Up, lv. 3
Level	1	2	3	4	5	6	7	8	9	10
TP Cost	8				12					16
Fear Infliction Rate	35%	36%	37%	38%	44%	45%	46%	47%	48%	55%
Activation Speed	80%
Level	11	12	13	14	15
TP Cost	16
Fear Infliction Rate	56%	57%	58%	59%	68%
Activation Speed	80%

Standalone skills

Mine 採掘
Field Skill Allows the user to find more resources at certain mining spots.
Level	1	2	3	4	5	6	7	8	9	10
Mine Yield Increase	2%	4%	6%	8%	10%	12%	14%	16%	18%	20%
Activation Rate	0%	2%	4%	6%	10%	11%	12%	13%	14%	20%

References

• Datamining and tips for Ronin by Rea
• Skill simulator
• EOU Data Sheets
• Etrian Odyssey Untold atwiki (Japanese) - Ronin Page