EO3/Zodiac/Skills

This page details full data for the Zodiac's skills in Etrian Odyssey III: The Drowned City. In addition to these skills, every class also has access to Common Skills.

Skill Tree

Class Skill

Ether Mastery エーテルマスター
Class Skill Zodiac skill that raises all elemental affinity attacks. Has no effect skills that deal physical or almighty damage.
Level	1	2	3	4	5	6	7	8	9	10
Damage Increase	2%	4%	6%	8%	10%	13%	16%	19%	22%	25%

Fire skills

Fire Up (Fire Mastery) 炎マスタリー
Mastery Skill Prerequisite for fire skills that increases fire attack damage.
Level	1	2	3	4	5	6	7	8	9	10
Damage Increase	2%	3%	4%	5%	6%	7%	8%	9%	10%	11%

Fire Star 炎の星術
Fire Skill Astrological flame does fire damage to one enemy. Body part used: Head Stat(s) used: TEC Prerequisite skill(s): Fire Up/Fire Mastery, lv. 1
Level	1	2	3	4	5	6	7	8	9	10
TP Cost	8	9	10	11	12	14	16	18	20	22
Damage	40%	44%	48%	52%	56%	60%	64%	68%	72%	80%
Hit Rate	98					99
Action Speed	-9

Binary Fire 炎の連星術
Fire Skill Astrology calls forth flames that do fire damage to all enemies. Body part used: Head Stat(s) used: TEC Prerequisite skill(s): Fire Up/Fire Mastery, lv. 5
Level	1	2	3	4	5	6	7	8	9	10
TP Cost	16	18	20	22	24	26	28	30	32	35
Damage	30%	32%	34%	36%	38%	41%	44%	47%	50%	55%
Hit Rate	90	91	92	93	94	95	96	97	98	99
Action Speed	-12

Fire Prophecy 炎の先見術
Fire Skill Prevent fire attacks from an enemy and counter with your own flame. Body part used: Head Stat(s) used: TEC Prerequisite skill(s): Fire Star, lv. 5 Binary Fire, lv. 5
Level	1	2	3	4	5
TP Cost	15	16	17	18	19
Damage	50%	60%	75%	90%	105%
Action Speed	+30

Ice skills

Ice Up (Ice Mastery) 氷マスタリー
Mastery Skill Prerequisite for ice skills that increases ice attack damage.
Level	1	2	3	4	5	6	7	8	9	10
Damage Increase	2%	3%	4%	5%	6%	7%	8%	9%	10%	11%

Ice Star 氷の星術
Ice Skill Astrological glaciers does ice damage to one enemy. Body part used: Head Stat(s) used: TEC Prerequisite skill(s): Ice Up/Ice Mastery, lv. 1
Level	1	2	3	4	5	6	7	8	9	10
TP Cost	8	9	10	11	12	14	16	18	20	22
Damage	40%	44%	48%	52%	56%	60%	64%	68%	72%	80%
Hit Rate	98					99
Action Speed	-9

Binary Ice 氷の連星術
Ice Skill Astrology calls forth an ice spear that damages all enemies with ice. Body part used: Head Stat(s) used: TEC Prerequisite skill(s): Ice Up/Ice Mastery, lv. 5
Level	1	2	3	4	5	6	7	8	9	10
TP Cost	16	18	20	22	24	26	28	30	32	35
Damage	30%	32%	34%	36%	38%	41%	44%	47%	50%	55%
Hit Rate	90	91	92	93	94	95	96	97	98	99
Action Speed	-12

Ice Prophecy 氷の先見術
Ice Skill Prevent ice attacks from an enemy and counter with your own ice. Body part used: Head Stat(s) used: TEC Prerequisite skill(s): Ice Star, lv. 5 Binary Ice, lv. 5
Level	1	2	3	4	5
TP Cost	15	16	17	18	19
Damage	50%	60%	75%	90%	105%
Action Speed	+30

Volt skills

Volt Up (Volt Mastery) 雷マスタリー
Mastery Skill Prerequisite for volt skills that increases volt attack damage.
Level	1	2	3	4	5	6	7	8	9	10
Damage Increase	2%	3%	4%	5%	6%	7%	8%	9%	10%	11%

Volt Star 雷の星術
Volt Skill Astrological lightning does volt damage to one enemy. Body part used: Head Stat(s) used: TEC Prerequisite skill(s): Volt Up/Volt Mastery, lv. 1
Level	1	2	3	4	5	6	7	8	9	10
TP Cost	8	9	10	11	12	14	16	18	20	22
Damage	40%	44%	48%	52%	56%	60%	64%	68%	72%	80%
Hit Rate	98					99
Action Speed	-9

Binary Thunder 雷の連星術
Volt Skill Astrology calls forth lightning for volt damage to all enemies. Body part used: Head Stat(s) used: TEC Prerequisite skill(s): Volt Up/Volt Mastery, lv. 5
Level	1	2	3	4	5	6	7	8	9	10
TP Cost	16	18	20	22	24	26	28	30	32	35
Damage	30%	32%	34%	36%	38%	41%	44%	47%	50%	55%
Hit Rate	90	91	92	93	94	95	96	97	98	99
Action Speed	-12

Volt Prophecy 雷の先見術
Volt Skill Prevent volt attacks from an enemy and counter with your own. Body part used: Head Stat(s) used: TEC Prerequisite skill(s): Volt Star, lv. 5 Binary Thunder, lv. 5
Level	1	2	3	4	5
TP Cost	15	16	17	18	19
Damage	50%	60%	75%	90%	105%
Action Speed	+30

Other skills

Dark Ether ダークエーテル
Special Skill One row of allies will be able to use skills at no TP cost. Body part used: Head
Level	1	2	3	4	5
TP Cost	18	16	14	12	10
Action Speed	+30

Singularity 特異点定理
Passive Skill Damage increases when attacking an enemy's elemental weakness. Also applies when attacking physical weaknesses. Prerequisite skill(s): Dark Ether, lv. 5
Level	1	2	3	4	5
Damage Increase	10%	20%	30%	40%	50%

Etheric Charge エーテル圧縮
Special Skill Concentrate to increase damage with elemental attacks. Only affects fire/ice/volt skills. Body part used: Head Prerequisite skill(s): Dark Ether, lv. 5
Level	1	2	3	4	5
TP Cost	8	9	10	11	12
Damage Multiplier	×2.20	×2.40	×2.60	×2.80	×3.00
Action Speed	-100

Etheric Return リターンエーテル
Passive Skill Regain TP each time you defeat an enemy. Prerequisite skill(s): Singularity, lv. 5 Etheric Charge, lv. 5
Level	1	2	3	4	5
Fixed TP Recovery	1	2	3	4	5

Horoscope 星体観測
Search Skill Reveals the location of nearby FOEs for a limited time.
Level	1	2	3	4	5
TP Cost	6		7		8
Radius (Tiles)	2	4	6	8	11
Duration (Steps)	30	40	50	70	100

Meteor メテオ
Bash Skill Call down meteors to deal strike damage to random enemies. Body part used: Head Stat(s) used: TEC Prerequisite skill(s): Horoscope, lv. 5 Etheric Return, lv. 3
Level	1	2	3	4	5	6	7	8	9	10
TP Cost	30	32	34	37	40	43	47	51	55	60
Damage Per Hit	35%	38%		41%		44%		47%		50%
Number Of Hits	3-4		3-5		4-5		4-6		5-6
Damage Range	105% - 140%	114% - 152%	114% - 190%	123% - 210%	164% - 210%	176% - 220%	176% - 264%	188% - 282%	235% - 282%	250% - 300%
Average Damage	122.5%	133%	152%	164%	184.5%	198%	220%	235%	258.5%	275%
Hit Rate	95		96		97		98		99
Action Speed	-12

References

• Datamining and tips for Zodiac by DrFetus/Araxxor
• Skill simulator
• Etrian Odyssey III atwiki (Japanese) - Zodiac Page