Ultra Optical Investigation

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[Passive] Through improved optical research, Spectrum switching becomes more swift and cooldown is reduced to 0.5 seconds. When you use skills that activate the spectrum such as El Crystal Spectrum or Energetic Heart, increase Critical, Maximize chance for a set duration and increase damage to Mid Boss/Boss monsters. Additional Force Field: Reactive (Green) Use El Crystal Spectrum skill key to switch. Electron/Beam attacks become piercing and homing attacks.

Requirements

Class	Level Required
Code: Battle Seraph	35

Skill Information

Skill Level	Level Required	Self BuffUltra Optical InvestigationSelf BuffUltra Optical Investigation (On El Crystal Spectrum/Energetic Heart use)
		Critical Increase This effect is additive to your current stats.  A	Maximize Increase This effect is additive to your current stats.  A	Damage Dealt to Mid Boss / Boss Monsters Increase This effect is additive to your current stats.  A	Duration
PvE
1	35	6%			20 Seconds
2	51	9%
3	59	12%
4	93	15%
PvP
1	35	6%			10 Seconds
2	51	9%
3	59	12%
4	93	15%

Reactive Mode

Self BuffReactive FieldSelf BuffReactive Field
Affected Command Damage	Additional Effect
x0.55	Electron attacks can pierce and will home in on enemies. Beam attacks will be converted into multiple homing spears.

Tips and Details

• Any affected attacks will also suffer a decrease in MP regeneration, but the projectiles will have increased range.
• Once you unlock this passive, El Crystal Spectrum will only do its activation animation when used initially, and changing modes occurs instantly instead, including in midair. This also means no more hitstun can be dealt past the initial cast however.
• When targets are not within homing range, the homing projectiles will scatter out randomly.
• For any projectiles that gain piercing properties due to this skill, the range it can travel is based on where it last hit an enemy.
  • For example, if the range of the attack is 700, and it hits an enemy far into its range, the next enemy it can home into can be anywhere within 700 of the location of that enemy, significantly extending a skill's reach.

Trivia

Reactive Mode special icon.

• In NA, Induction Mode is renamed to Reactive Mode.
• The icon that appears when switching to Reactive Mode has a caption saying "Induction Mode. System All Green".

Updates

Date		Changes
KR	NA	PvE	PvP
08/30/2012	09/04/2013	Ultra Optical Investigation added.
02/05/2015	-	▼ Amplification Size Increase decreased.
09/20/2018	10/11/2018	▲ Critical Rate using Field increased. ▲ Maximize using Field effect added.
05/27/2021	06/23/2021	▼ Removed Amplication Size Increase effect. Maximum increased size effect becomes the new default size of Amplification field. Changed buff effects to apply for a certain duration on use of El Crystal Spectrum/Energetic Heart instead of only affecting Field-using attacks. ▲ Crit Rate Increase increased. ▲ Maximize Increase increased. ▲ Damage Increase Against Boss/Mini Boss effect added.

Alternative Names

Server	Name	Translation
South Korea	초광학 연구	Hyper Optical Research
Japan	超光谱研究	Ultra Spectrum Research
China (Simplified Chinese)	超光学研究	Ultra Optical Research
Germany	Hyperoptik-Forschung	Hyper Optical Research
Spain	Investigación de hiperlentes	Hyper Lens Investigation
France	Recherche hyperoptique	Hyper Optical Research
Italy	Scienza Iper-Ottica	Hyper Optical Science
Poland	Badania nad Hiperoptyką	Hyper Optical Research
United Kingdom	Hyper Optic Research
Brazil	Pesquisa Ótica	Optical Research

Code: Battle Seraph - Skills

Hyper Active

Psychic Artillery

Special Active

Linear Divider

Taser Pilum

Energy Needles

Thousand Star

Photon Tracker

Energetic Heart

Needles Cutting

Electronic Fall

Extreme Virtual

Active

Tesla Shock: Spear

Electronic Move

Passive

Ultra Optical Investigation

High-power Electronic Circuit

El Energy Reactor

Awakened Will: Code: Battle Seraph

Awakened One

Cheat Code: Electro