Here is a guide on how to use ONiON in Reverse 1999 including her best Psychubes, skill breakdown, and building a team that maximizes her potential.
Table of Contents
ONiON Overview

- Tag: DPS/Debuff
- Rarity: 3-Star
- Afflatus: Mineral
- Damage Type: Reality
ONiON is a 3-star character with Intellect Afflatus. Based on her tag DPS/Debuff and her kit, she is a low-rarity character that can deal extra DMG when enemies are in Negative status and also provide allies with [Sturdiness] to increase DMG Taken Reduction.
ONiON Skills Breakdown and Tips

Not Fake News
Level 1: [ATK] 1-target attack. Deals 180% Reality DMG. If the target is in [Stats Down], [Neg Stats], or [Control] statuses, this attack also deals 40% more Reality DMG.
Level 2: [ATK] 1-target attack. Deals 270% Reality DMG. If the target is in [Stats Down], [Neg Stats], or [Control] statuses, this attack also deals 60% more Reality DMG.
Level 3: [ATK] 1-target attack. Deals 450% Reality DMG. If the target is in [Stats Down], [Neg Stats], or [Control] statuses, this attack also deals 100% more Reality DMG.
- Skill Breakdown- Deal Reality DMG on a single enemy and if the enemy is in Negative status deal additional DMG.
 
Just A Show
Level 1: [ATK] 1-target attack. Deals 160% Reality DMG. If the target's current HP is below 50%, then deals 60% more Reality DMG.
Level 2: [ATK] 1-target attack. Deals 240% Reality DMG. If the target's current HP is below 50%, then deals 90% more Reality DMG.
Level 3: [ATK] 1-target attack. Deals 400% Reality DMG. If the target's current HP is below 50%, then deals 150% more Reality DMG.
- Skill Breakdown- Deal Reality DMG on a single enemy and if the enemy's HP is below 50%, deal additional Reality DMG.
 
Frequent Phenomena - Ultimate
Mass attack. Deals 250% Reality DMG to all enemies; Gives all allies 2 stacks of [Sturdiness].
[Sturdiness]: When the caster is attacked, DMG Taken Reduction +25% (-1 stack after trigger).
- Skill Breakdown- Deal AoE Realitt DMG to all enemies and provide allies with 2 stacks of [Studiness].
 
Inheritance - The Sane
Insight I
After the caster casts Ultimate, enters [Taunt] status and DMG Taken -30% for 1 round.
Insight II
When entering battle, DMG Heal +10%.
- Insight Breakdown- Her Insight 1 and Insight 2 will increase her sustainability.
 
ONiON Portray
- Lv. 1: Frequent Phenomena's effect changes to: deals 300% Reality DMG.
- Lv. 2: Not a Fake News's effect changes to: at 1/2/3 stars, additionally deals 65/95/160% Reality DMG to enemies in [Stats Down], [Neg Status] or [Control].
- Lv. 3: Frequent Phenomena's effect changes to: deals 350% Reality DMG.
- Lv. 4: Just A Show's effect changes to: additionally deals Reality DMG when the target's HP is below 60%.
- Lv. 5: Frequent Phenomena's effect changes to: deals 400% Reality DMG.
ONiON Best Psychubes

- His Bounden Duty- DMG Bonus Lv 1: 6%
- DMG Bonus Lv 60: 12%
- For each enemy target defeated by the carrier, HP + (the carrier's ATK x60%(Lv.1)).
 
- Thunderous Applause- CRIT Rate Lv 1: 10%
- CRIT Rate Lv 60: 16%
- Amplification: When the carrier's 1-target attack scores a critical hit, Critical DMG +16%.
 
- Brave New World- Ultimate Might Lv 1: 12%
- Ultimate Might Lv 60: 18%
- After she casts her Ultimate, her Incantation Might of the next incantation will increase (Lv 1: 20% - Lv 5: 40%) which makes her cast her skill more often.
 
- Yearning Desire- Incantation Might Lv 1: 9%
- Incantation Might Lv 60: 15%
- When the carrier attacks, if the target has [Stats Down] or [Neg Status], DMG Dealt +8%(Lv 1).
 
ONiON Team Build
Currently, there is no team build available yet.
All Character Guide
End of Reverse: 1999 ONiON Character Guide

 37
37 Shamane
Shamane Tooth Fairy
Tooth Fairy
 Voyager
Voyager Regulus
Regulus Lilya
Lilya Medicine Pocket
Medicine Pocket A Knight
A Knight Sotheby
Sotheby Kaalaa Baunaa
Kaalaa Baunaa Ms. New Babel
Ms. New Babel An-an Lee
An-an Lee Centurion
Centurion Melania
Melania Druvis III
Druvis III Pickles
Pickles Jessica
Jessica Charlie
Charlie Dikke
Dikke Matilda
Matilda Sonetto
Sonetto Tennant
Tennant X
X Sweetheart
Sweetheart Balloon Party
Balloon Party Bkornblume
Bkornblume Blonney
Blonney Click
Click Diggers
Diggers Necrologist
Necrologist Satsuki
Satsuki Horropedia
Horropedia Kanjira
Kanjira APPLe
APPLe Bunny Bunny
Bunny Bunny Cristallo
Cristallo Eagle
Eagle Erick
Erick Mesmer Jr.
Mesmer Jr. Mondlicht
Mondlicht Ms. Moissan
Ms. Moissan Nick Bottom
Nick Bottom Oliver Fog
Oliver Fog Pavia
Pavia Poltergeist
Poltergeist Rabies
Rabies TTT
TTT Zima
Zima aliEn T
aliEn T Bette
Bette Darley Clatter
Darley Clatter John Titor
John Titor La Source
La Source Leilani
Leilani Onion
Onion Sputnik
Sputnik The Fool
The Fool Twins Sleep
Twins Sleep Door
Door Ms. Radio
Ms. Radio