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Ad Balloon
Kanji/Kana アドバルーン
Rōmaji Advertising Balloon
Alias(es) Unavailable
Nickname(s) Test Subject #1
Race Balloon
Title Unavailable
Age Unavailable
Gender Unavailable
Height Unavailable
Eye Color Unavailable
Hair Color Unavailable
Blood Type Unavailable
Family Unavailable
Status Unavailable
Occupation Unavailable
Lv. Unavailable
Country Unavailable
Affiliation The Shield Hero
Epithet Unavailable
Weapon Unavailable
User Unavailable
Media Debut
Manga Unavailable
Light Novel
Web Novel Chapter 151

Ad Balloon, is a Balloon collected by Naofumi's slaves. It may have a slightly higher intelligence than others of its species due to the Legendary Shield's influence.

The ad balloon is large floating balloon-shaped monster.


  • He can be mounted and rode on in the sky.
  • As he levels up, he gets bigger as if it were being inflated.

The Rising of the Shield Hero

Devil of Shield Arc c1-78

Cal Mira Island Arc c78-114

Spirit Turtle Arc c115-130

Slave Supremacy Arc c131-203

Because it was initially a monster egg, Ad Balloon was kept in storage with the eggs collected by Naofumi's slaves. When it was examined by Rat she identified it as a hibernating Balloon. Naofumi then placed a slave seal on it and Rat claimed it as Test Subject #1. c151

New 7 Deadly Sins c204-357

Towards the Legend Arc c357-378

Side Stories

The Christmas of Shield Hero c379-385

The Valentine of Shield Hero c386-402

The White Day of Shield Hero c403-409

Redo of Spear HeroEdit

Loop 1 to 3 - Tutorial Arc c410-414

Loop 4 - Silt Welt Arc c415-455

Loop 5 - Melromarc Arc c456-574

Loop 6 - Foburei Arc c575-current


Companion Other