EO3/Arbalist/Skills

This page details full data for the Arbalist'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

Giant Kill ジャイアントキル
Class Skill Arbalist skill empowering you when enemies have notably higher HP. Increases damage against enemies when their current HP are greater than twice the user's current HP. Affects all damage types. Checks HP before each action.
Level	1	2	3	4	5	6	7	8	9	10
Damage Increase	20%	23%	27%	31%	35%	39%	43%	47%	51%	55%

Bolt Mastery branch

Bolt Mastery 弩マスタリー
Mastery Skill Prerequisite for crossbow skills that raises crossbow damage. This raises the damage of regular attacks only. Subclassing - Allows for crossbows to be used.
Level	1	2	3	4	5	6	7	8	9	10
Damage Increase	2%	3%	4%	5%	6%	7%	8%	9%	10%	11%

Heavy Shot ヘビーショット
Crossbow Skill Crossbow: Heavy arrows deal pierce damage to a single enemy. Body part used: Arms Stat(s) used: STR Prerequisite skill(s): Bolt Mastery, lv. 1
Level	1	2	3	4	5	6	7	8	9	10
TP Cost	5		6		7		8		9
Damage	140%	143%	147%	150%	153%	156%	160%	165%	170%	175%
Hit Rate Modifier	-5					-6
Action Speed	+6

Front Mortar 前陣迫撃砲術
Crossbow Skill Crossbow: Pierce damage at one enemy. More effective from the front row. Body part used: Arms Stat(s) used: STR Prerequisite skill(s): Heavy Shot, lv. 5
Level	1	2	3	4	5	6	7	8	9	10
TP Cost	9	12	15	18	21	24	27	30	33	36
Damage (Back Row)	75%	76%	77%	78%	79%	80%	81%	82%	83%	85%
Damage (Front Row)	225%	235%	246%	257%	276%	296%	315%	336%	356%	382%
Hit Rate Modifier	-10	-9	-8	-7	-6	-5	-4	-3	-2	-1
Action Speed	-3

Snipe スナイプⅠ
Crossbow Skill Crossbow: Wait, then pierce all enemies with status ailments. The attack launches at the end of the turn and hits enemies with ailments. Applies the effects of element imbues and forges, but not ailment forges. Subclassing - Charge, Etheric Charge and Trickster doesn't apply to this skill. Body part used: Arms Stat(s) used: STR Prerequisite skill(s): Bolt Mastery, lv. 2
Level	1	2	3	4	5	6	7	8	9	10
TP Cost	3		4		5		6		7
Damage	150%	158%	166%	174%	182%	190%	200%	210%	220%	240%
Hit Rate Modifier	-10	-9	-8	-7	-6	-5	-4	-3	-2	-1
Action Speed	+200

Sharpshooter スナイプⅡ
Crossbow Skill Crossbow: Wait, then pierce all enemies who are bound. The attack launches at the end of the turn and hits enemies with binds. Applies the effects of element imbues and forges, but not ailment forges. Subclassing - Charge, Etheric Charge and Trickster doesn't apply to this skill. Body part used: Arms Stat(s) used: STR Prerequisite skill(s): Bolt Mastery, lv. 2
Level	1	2	3	4	5	6	7	8	9	10
TP Cost	3		4		5		6		7
Damage	150%	158%	166%	174%	182%	190%	200%	210%	220%	240%
Hit Rate Modifier	-10	-9	-8	-7	-6	-5	-4	-3	-2	-1
Action Speed	+200

Strafe ランダムショット
Crossbow Skill Crossbow: Rapid-fire arrows are shot across all enemies at random. Attack randomly multiple enemies dealing Stab damage. Each enemy can only be attacked once. Body part used: Arms Stat(s) used: STR Prerequisite skill(s): Bolt Mastery, lv. 3
Level	1	2	3	4	5	6	7	8	9	10
TP Cost	7	8	9	10	11	12	13	14	15	16
Damage	100%	102%	104%	107%	110%	113%	116%	119%	122%	125%
Number Of Hits	2-3			2-4			2-5		3-5
Damage Range	200% - 300%	204% - 306%	208% - 312%	214% - 428%	220% - 440%	226% - 452%	232% - 580%	238% - 595%	366% - 610%	375% - 625%
Average Damage	250%	255%	260%	321%	330%	339%	406%	416.5%	488%	500%
Hit Rate Modifier	-20
Action Speed	-9

Fire Barrage ファイアバラージ
Crossbow Skill Crossbow: Special gunpowder deals strike/fire damage to all enemies. Subclassing - Works with both Charge and Etheric Charge. Body part used: Arms Stat(s) used: STR Prerequisite skill(s): Bolt Mastery, lv. 5
Level	1	2	3	4	5	6	7	8	9	10
TP Cost	8		9		10	11	12	13	14	15
Damage	80%	85%	90%	95%	100%	105%	110%	115%	120%	125%
Hit Rate	98%
Action Speed	-3

Ice Barrage アイスバラージ
Crossbow Skill Crossbow: Special gunpowder deals strike/ice damage to all enemies. Subclassing - Works with both Charge and Etheric Charge. Body part used: Arms Stat(s) used: STR Prerequisite skill(s): Bolt Mastery, lv. 5
Level	1	2	3	4	5	6	7	8	9	10
TP Cost	8		9		10	11	12	13	14	15
Damage	80%	85%	90%	95%	100%	105%	110%	115%	120%	125%
Hit Rate	98%
Action Speed	-3

Volt Barrage サンダーバラージ
Crossbow Skill Crossbow: Special gunpowder deals strike/volt damage to all enemies. Subclassing - Works with both Charge and Etheric Charge. Body part used: Arms Stat(s) used: STR Prerequisite skill(s): Bolt Mastery, lv. 5
Level	1	2	3	4	5	6	7	8	9	10
TP Cost	8		9		10	11	12	13	14	15
Damage	80%	85%	90%	95%	100%	105%	110%	115%	120%	125%
Hit Rate	98%
Action Speed	-3

Armor Piercer 高速徹甲弾
Crossbow Skill Crossbow: Bolts deal pierce damage that ignores enemy enhancements. Ignore all positive buffs on the target. This includes damage reduction buffs, evasion buffs, and resistance buffs. The target's debuffs, as well as their base resistances and stats are not ignored. Does not ignore the Arbalist's own buffs and debuffs. Body part used: Arms Stat(s) used: STR Prerequisite skill(s): Bolt Mastery, lv. 7
Level	1	2	3	4	5	6	7	8	9	10
TP Cost	11		12		13		14		15
Damage	170%	175%	180%	185%	190%	195%	200%	205%	210%	215%
Hit Rate Modifier	-10		-9		-8		-7		-6	-5
Action Speed	-3

Double Action ダブルアクション
Passive Skill When using skills targeting one enemy, number of hits may rise. Add one more hit to a single target skill. Doesn't work with regular attacks or with skills that can hit several targets. Works with Limit Skills. Doesn't work with skills that don't inflict damage. In the case of single target multi-hit skills, Double Action only adds one more hit. Subclassing - If the user knows Wild Swings, Double Action activates before Wild Swings does. Subclassing - If Charge or Etheric Charge was used on the previous turn, the damage boost is applied for both attacks. Prerequisite skill(s): Front Mortar, lv. 4 Armor Piercer, lv. 4
Level	1	2	3	4	5	6	7	8	9	10
Activation Rate	10%	12%	14%	16%	18%	20%	22%	24%	27%	30%

Cloudbuster レインフォール
Crossbow Skill Crossbow: Shoot a bolt into the sky, raining pierce damage next turn. The attack will still work if the user is killed. Buffs are only checked for when the skill actually deals damage, not when the user initially casts it. If an enemy joins the battle after the skill was used, it will still be damaged by the skill when the blot comes down. Subclassing - Charge works if it is used on the turn the bolt comes down. The Charge will then be used by that skill and will not affect the next attack. Body part used: Arms Stat(s) used: STR Prerequisite skill(s): Bolt Mastery, lv. 10
Level	1	2	3	4	5
TP Cost	14	16	18	20	22
Damage	140%	160%	190%	230%	250%
Hit Rate Modifier	-5	-4	-3	-2	-1
Action Speed	-100

Other skills

Proper Form 正射必中
Passive Skill Employ especially careful aim, increasing all skills' accuracy. Stacks additively with other accuracy boosts.
Level	1	2	3	4	5
Hit Rate Increase	5	10	15	20	35

Extend エクステンド
Passive Skill Recover HP each time you defeat an enemy. Killing multiple enemies restores HP for each enemy killed. Bug: If an enemy is killed with a critical hit, the amount healed is multiplied by the critical damage multiplier. Prerequisite skill(s): Proper Form, lv. 3
Level	1	2	3	4	5	6	7	8	9	10
Fixed HP Recovery	10	20	30	40	50	60	70	80	90	100

Pop Flares 照明弾
Support Skill Detonate a flashbang to increase the aim of all allies for 3 turns. Stacks additively with other accuracy boosts.
Level	1	2	3	4	5
TP Cost	6	7	8	9	10
Hit Rate Increase	5	10	15	30	50
Action Speed	+6

Smoke Grenade 発煙弾
Support Skill Detonate a smoke bomb to blind all enemies. Body part used: Arms Stat(s) used: TEC, LUC
Level	1	2	3	4	5
TP Cost	6	7	8	9	10
Infliction Rate	30%	40%	50%	65%	80%
Action Speed	+3

Night Vision ナイトビジョン
Passive Skill Critical hit rate significantly increases during nighttime. Nighttime is between 7 PM and 6 AM. Subclassing - Stacks additively with Lady Luck and Data Mining. Prerequisite skill(s): Pop Flares, lv. 3 Smoke Grenade, lv. 3
Level	1	2	3	4	5	6	7	8	9	10
Critical Rate Boost	15%	17%	19%	22%	25%	28%	31%	34%	37%	40%

Ambush アンブッシュ
Search Skill Increase chances of a first strike for a limited number of steps.
Level	1	2	3	4	5
TP Cost	6	7	8	9	10
Preemptive Rate Increase	25%	30%	35%	40%	50%
Duration (Steps)	40	45	50	55	60

References

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