Overview
| Field | Details |
|---|---|
| Name | Wretched Onion (みじめな玉ねぎ) |
| Type | Basic Passive |
| Tier | A |
| Effect | Deal 6–12 damage per second to enemies within 2 tiles |
| Evolution | Odiferous Shell (臭い殻): combine with Breastplate |
Assessment
Wretched Onion is one of Ball x Pit's most distinctive passives: it deals continuous area damage around you without requiring any ball interactions. The 2-tile radius looks restrictive at first glance, but when enemies are consistently drawn into that range, the passive contributes reliable passive DPS that stacks on top of everything else your build is doing.
The 6–12 damage per second figure is modest against single targets, but when multiple enemies occupy the radius simultaneously, the combined ticking damage can clear weaker enemies outright. The passive becomes substantially more impactful when paired with pulling, slowing, or freezing tools — the longer enemies stay within 2 tiles, the more total damage Wretched Onion contributes per encounter.
The evolution path to Odiferous Shell (via Breastplate) is what pushes this passive into firm A-tier consideration. A 50% instant-kill chance on contact is an extraordinary effect — effectively cutting standard enemy health pools in half on average. Against non-boss enemies in dense waves, this can single-handedly accelerate clear speed. The probability variance means it is not perfectly reliable, but the upside is dramatic enough to actively build around.
Compared to most A-tier passives, Wretched Onion requires deliberate positioning adjustments to maximize. Players who already tend to play at close range or actively pull enemies in will feel the benefit immediately; long-range or evasive builds will rarely trigger the effect at full value.
Synergies
Ball Synergies
| Ball | Synergy | Reason |
|---|---|---|
| Pull/attract balls | ★★★ | Draw enemies into the 2-tile radius continuously, maximizing DoT uptime across the wave |
| Slow/chill balls | ★★★ | Reduce enemy movement speed so they linger in range longer, increasing total damage taken |
| Freeze/stun balls | ★★★ | Fully immobilized enemies take the full per-second damage for as long as the freeze lasts |
| Area-of-effect balls | ★★☆ | Wretched Onion softens clustered enemies, letting AoE balls clean up efficiently |
Passive Synergies
| Passive | Synergy | Reason |
|---|---|---|
| Breastplate | ★★★ | Evolution material; also adds defense to offset the risk of staying in close-quarters range |
| Pull/magnet passives | ★★★ | Keep enemies funneled into the radius without relying on manual positioning |
| Defense and HP recovery passives | ★★☆ | Surviving at close range requires additional bulk to absorb incoming hits |
Recommended Characters
| Character | Priority | Reason |
|---|---|---|
| Melee or tank-oriented characters | ★★★ | Characters designed to stay near enemies naturally maximize the passive's range at all times |
| Characters with pull abilities | ★★★ | Built-in enemy attraction means the radius is always populated, multiplying DoT targets |
| Long-range or evasive characters | ★☆☆ | Keeping distance from enemies means the 2-tile range rarely has targets in it |
Pickup Priority
Take Wretched Onion eagerly when you already have a pull or slow mechanism in your build, or when you are holding a Breastplate and can pursue the Odiferous Shell evolution. The 50% instant-kill effect on the evolved form is powerful enough to justify the pickup as early as the evolution path becomes visible.
Skip it or deprioritize it when your build is committed to long-range play with no enemy-attraction tools. The narrow radius becomes a dead stat in those conditions, and the slot is better spent on a passive that works regardless of positioning.