EON/Zodiac/Skills

This page details full data for the Zodiac's skills in Etrian Odyssey Nexus. Skills from other classes can be used by assigning a subclass to the character.

Force skills (Lv. 1)

Divination 占星時軸
Force Boost For 3 turns, Astrology skills are stronger and regain half their TP cost after using. Read the fortune of battle, maximizing the impact of your Astrology skills. All of the Zodiac's skills refund TP, but only Astrology type skills get boosted.
Level	1
ATK Increase	40%

Astrosign アストロサイン
Force Break Hits all enemies with fire, ice, and volt. Reduces party TP cost to 0 this turn. Unleash a powerful elemental blast, easing the burden of allies who act after you. Body part used: Head Stat(s) used: INT
Level	1	2	3
Damage	300%	550%	800%

Novice skills (Lv. 1)

Etheric Gleam エーテルの輝き
Buff Skill: ATK For 3 turns, increases elemental ATK for an ally line. Increases strength of fire/ice/volt attacks. Level up to extend duration. Body part used: Head
Level	1	2	3	4	5	6	7	8
TP Cost	6			10				16
Elemental ATK Increase	15%	19%	23%		27%	31%	35%
Duration (Turns)	3			4				5

Fire Star 炎の星術
Attack Skill: Astrology Ranged fire attack to an enemy. Deals splash damage to adjacent targets. Throw a ball of fire at your enemies. Body part used: Head Stat(s) used: INT Prerequisite skill(s): Etheric Gleam, lv. 1
Level	1	2	3	4	5	6	7	8	9	10
TP Cost	8				13					18
Damage	100%	103%	106%	109%	118%	121%	124%	127%	130%	150%
Splash Damage	50%
Activation Speed	80%
Accuracy	130%

Ice Star 氷の星術
Attack Skill: Astrology Ranged ice attack that pierces enemy lines. Hurl a lance of ice at your enemies. Body part used: Head Stat(s) used: INT Prerequisite skill(s): Etheric Gleam, lv. 1
Level	1	2	3	4	5	6	7	8	9	10
TP Cost	8				13					18
Damage	90%	93%	95%	98%	106%	109%	112%	115%	118%	135%
Accuracy	130%

Volt Star 雷の星術
Attack Skill: Astrology Ranged volt attack to an enemy line. Unleash a burst of electricity at your enemies. Body part used: Head Stat(s) used: INT Prerequisite skill(s): Etheric Gleam, lv. 1
Level	1	2	3	4	5	6	7	8	9	10
TP Cost	8				13					18
Damage	80%	82%	84%	86%	92%	95%	98%	101%	104%	120%
Activation Speed	120%
Accuracy	130%

Singularity 特異点定理
Support Skill Damage increases when attacking an enemy's elemental weakness. Analyze enemy weaknesses in order to strike with maximum efficiency.
Level	1	2	3	4	5	6	7	8
Damage Increase	6%	7%	9%	10%	12%	13%	15%	20%

Etheric Charge エーテル圧縮
Support Skill: Charge (Astrology) Next Astrology skill powers up, but can only hit single-target until end of turn. Strengthen a spell with laser-like focus. Body part used: Head Prerequisite skill(s): Singularity, lv. 3
Level	1	2	3	4	5	6
TP Cost	3					15
Damage Multiplier	×1.80	×1.90	×2.00	×2.15	×2.30	×3.00
Activation Speed	30%

Etheric Return リターンエーテル
Heal Skill Regain TP each time you defeat an enemy. Retrieve ether from slain enemies. Prerequisite skill(s): Singularity, lv. 3
Level	1	2	3	4
TP Recovery (% Of Maximum TP)	1%			2%
TP Recovery (Base Value)	0	1	2	3

Horoscope 星体観測
Field Skill Lowers encounter rate for a set number of steps. Read the stars to predict enemy movements, allowing you to avoid unnecessary tussles.
Level	1	2	3	4	5	6
TP Cost	6					10
Duration (Steps)	50	75	100	125	150	255
Encounter Rate Decrease	40%	45%	50%	55%	60%	75%

Mine 採掘
Gathering Skill Increases material yield from mining in the labyrinth. -- Allows the party to find more items at Mine points.

Veteran skills (Lv. 20)

Ether Mastery エーテルマスター
Support Skill Raises attack power of Astrology skills. Improve your technique for controlling ether.
Level	1	2	3	4	5	6	7	8
ATK Increase	5%	6%	7%	8%	9%	10%	11%	15%

TP Up TPブースト
Support Skill: Stats Raises maximum TP. --
Level	1	2	3	4	5	6	7	8
Max TP Increase	7%	9%	11%	17%	19%	21%	23%	30%

Binary Fire 炎の連星術
Attack Skill: Astrology Ranged fire attack to all enemies. Create a massive explosion. Body part used: Head Stat(s) used: INT Prerequisite skill(s): Fire Star, lv. 3
Level	1	2	3	4	5	6	7	8	9	10
TP Cost	20				27					35
Damage	110%	113%	116%	119%	129%	132%	136%	139%	143%	165%
Activation Speed	70%
Accuracy	110%

Binary Ice 氷の連星術
Attack Skill: Astrology Ranged ice attack to all enemies. Freeze the surrounding area. Body part used: Head Stat(s) used: INT Prerequisite skill(s): Ice Star, lv. 3
Level	1	2	3	4	5	6	7	8	9	10
TP Cost	20				27					35
Damage	110%	113%	116%	119%	129%	132%	136%	139%	143%	165%
Activation Speed	70%
Accuracy	110%

Binary Thunder 雷の連星術
Attack Skill: Astrology Ranged volt attack to all enemies. Unleash a burst of electricity. Body part used: Head Stat(s) used: INT Prerequisite skill(s): Volt Star, lv. 3
Level	1	2	3	4	5	6	7	8	9	10
TP Cost	20				27					35
Damage	110%	113%	116%	119%	129%	132%	136%	139%	143%	165%
Activation Speed	70%
Accuracy	110%

Etheric Boon レストアエーテル
Support Skill Raises ATK based on how much TP the user consumed the previous turn. TP consumed must reach a certain threshold to activate the ATK boost. Damage increase is equal to (α × level multiplier)%, where α = TP × √TP ÷ 100. Does not activate if the formula resolves to less than 1%. Prerequisite skill(s): Etheric Charge, lv. 2
Level	1	2	3	4	5	6
Formula Multiplier	3	4	5	6	7	10

Anti-Ether アンチエーテル
Support Skill May null an elemental attack to user's line. Nullifies fire/ice/volt attacks. Prerequisite skill(s): Etheric Boon, lv. 2
Level	1	2	3	4	5	6
Activation Chance	3%	4%	5%	6%	7%	10%

Dark Ether ダークエーテル
Support Skill Lowers TP cost for a row of allies this turn. Create a space that stabilizes the party's psyche. Body part used: Head Prerequisite skill(s): Etheric Return, lv. 2
Level	1	2	3	4	5	6
TP Cost	20					30
TP Cost Decrease	30%	33%	36%	39%	42%	60%
Activation Speed	300%

Ether Shot エーテルシュート
Attack Skill: Astrology INT-based physical attack to 1 ranged enemy. Uses type of equipped weapon. Perform a physical attack based on INT. Body part used: Arms Stat(s) used: INT Prerequisite skill(s): Dark Ether, lv. 2
Level	1	2	3	4	5	6	7	8
TP Cost	2			4				7
Damage	80%	83%	86%	96%	99%	102%	105%	130%

Master skills (Lv. 40)

Fire Prophecy 炎の先見術
Defense Skill: Charge Prevents target's fire attacks, increasing all ATK of user until end of next turn. ATK boost only activates when an attack is successfully prevented. Follow-ups and counterattacks do not count. Body part used: Head Prerequisite skill(s): Binary Fire, lv. 2
Level	1	2	3	4
TP Cost	25
ATK Increase	10%	35%	60%	140%
Activation Speed	200%

Ice Prophecy 氷の先見術
Defense Skill: Charge Prevents target's ice attacks, increasing all ATK of user until end of next turn. ATK boost only activates when an attack is successfully prevented. Follow-ups and counterattacks do not count. Body part used: Head Prerequisite skill(s): Binary Ice, lv. 2
Level	1	2	3	4
TP Cost	25
ATK Increase	10%	35%	60%	140%
Activation Speed	200%

Volt Prophecy 雷の先見術
Defense Skill: Charge Prevents target's volt attacks, increasing all ATK of user until end of next turn. ATK boost only activates when an attack is successfully prevented. Follow-ups and counterattacks do not count. Body part used: Head Prerequisite skill(s): Binary Fire, lv. 2
Level	1	2	3	4
TP Cost	25
ATK Increase	10%	35%	60%	140%
Activation Speed	200%

Free Energy TPカット
Support Skill When casting a skill, its TP cost may be reduced to 0. Make use of muscle memory to cast spells with minimal strain. Prerequisite skill(s): Fire Prophecy, lv. 1 Ice Prophecy, lv. 1 Volt Prophecy, lv. 1
Level	1	2	3	4	5	6
Activation Chance	10%	12%	14%	16%	18%	25%

Multi-Strike Ether 多段式エーテル
Support Skill: Charge (Astrology) Until end of next turn, user's Astrology skills weaken, but become multi-hit. Multi-hit targets enemies 2-5 times at random. In the case of Meteor, it becomes 6-15 times. Body part used: Head Prerequisite skill(s): Anti-Ether, lv. 2
Level	1	2	3	4	5	6
TP Cost	10					35
Damage Multiplier (Per Hit)	×0.6	×0.64	×0.68	×0.72	×0.76	×0.95
Damage Range (Multiplier)	×1.20 - ×3.00	×1.28 - ×3.20	×1.36 - ×3.40	×1.44 - ×3.60	×1.52 - ×3.80	×1.90 - ×4.75
Average Damage (Multiplier)	×2.10	×2.24	×2.38	×2.52	×2.66	×3.325
Activation Speed	20%

Meteor メテオ
Attack Skill: Astrology 2-5 ranged bash attacks to random enemies. Call down meteors from space. The damage numbers under the effects of Multi-Strike Ether are calculated off a Level 6 Multi-Strike Ether. Body part used: Head Stat(s) used: INT Prerequisite skill(s): Ether Shot, lv. 2 Horoscope, lv. 3
Level	1	2	3	4	5	6	7	8	9	10
TP Cost	27				35					45
Damage Per Hit	50%	52%	53%	55%	61%	62%	64%	65%	67%	80%
Damage Range	100% - 250%	104% - 260%	106% - 265%	110% - 275%	122% - 305%	124% - 310%	128% - 320%	130% - 325%	134% - 335%	160% - 400%
Average Damage	175%	182%	185.5%	192.5%	213.5%	217%	224%	227.5%	234.5%	280%
Damage Range (Multi-Strike Ether)	285% - 712.5%	296.4% - 741%	302.1% - 755.25%	313.5% - 783.75%	347.7% - 869.25%	353.4% - 883.5%	364.8% - 912%	370.5% - 926.25%	381.9% - 954.75%	456% - 1140%
Average Damage (Multi-Strike Ether)	498.75%	518.7%	528.68%	548.63%	608.48%	618.45%	638.4%	648.38%	668.33%	684%
Activation Speed	50%
Accuracy	95%

References

• Datamining and tips for Zodiac by Rea
• Common Passives Data by Rea
• Skill Data for Zodiac by Hououin Makise/Rea
• Skill simulator