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This article is about NoobsAreCoolAndCoolerThanCasual/Mystery. You may be looking for other Mystery enemies.

Roulette enemies incoming!
These enemies will spawn MORE enemies upon death! Take them out quickly!

―Commander dialogue on Wave 16 (Golden Mode)

Description

The Mystery is an enemy that debuts on wave 16 of Golden Mode. It has average health and speed, seeming weak at first. However, it possesses a special ability called Roulette Spawn which will spawn a random enemy and grant them a random attribute. If the Mystery possesses an attribute like Bloated by default, the effect will be carried over to its spawn along with a random attribute.

Appearance

The Mystery is a green, translucent enemy made entirely of glass. It has an arched posture and a glowing "?" on its torso. It also shatters with green fragments upon death.

Enemy Spawned

Interestingly enough, the Mystery does not spawn more enemies besides the shown on the ability despite the proportional wave scaling. Stronger enemies will spawn from upgraded Mystery variants like the Mystery 2, Mystery Boss, and Uber Mystery. While the enemies spawned by the Mystery are random, each enemy has specific chances of spawning. Here are all the enemies that can be spawned via Mystery:

  • Both the Normal and Abnormal, with the spawning chances of 20%.
  • Along with this, the Speedy and Quick can spawn with 15% chance.
  • The hidden enemy, Ninja will spawn with a 10% chance.
  • The tanky Blight and Heavy can be spawned via 30% chance.
  • Finally, Balloons will be spawned with a 25% chance.

Strategy

  • While the Mystery spawns relatively weak enemies, it should not be underestimated.
    • They can spawn hordes of buffed enemies very quickly, so it is advised to bring splash towers like the Mortar.
  • These enemies, especially when accompanied by any golden enemies that can apply Glimmer, can prove an immense threat.
    • This is due to its ability to carry base attributes to its summon, meaning effects like Glimmer can stack with Nimble or Bloated.
  • Despite all these outcomes, the Mystery can be dealt with relative ease.
    • Indecently, summons will still produce cash. However, they will only give half the amount compared to its normal counterpart.
  • If the Mystery is near the end of the path, keep it alive.
    • This is due to the ability which can spawn a tanky enemy and end your run.
The original redesign concept for the Mystery. Yikes, too colorful for me.

Trivia

Update History

OMG NiL!?1/?!?!?!/


Golden
Previous Debut Current Debut Next Debut
Ninja
Wave 10
Mystery
Wave 16
Breaker2
Wave 17


Normal Gamemode Enemies
Easy Mode
Casual Mode
Intermediate Mode
Molten Mode
Fallen Mode
Frost Mode
Challenge Trials
Hardcore Mode
Voidcore Mode
Special & PVP Enemies
Basic Arena
Molten Arena
Fallen Arena
Polluted Wasteland II
Badlands II
Pizza Party
Tutorial
Headache Headquarters
Sandbox Exclusive Enemies
Legacy Molten Mode
Golden Mode
Legacy Fallen Mode
Brain Rot
Other
Event Enemies
The Heights
Area 51
Nightmare Carnival
Village of Despair
Eggy Island
Trick or Threat Town
Outpost 32
(Frost Invasion)
Cyber City
Solar Eclipse Event Rotfield
Foggy Forest
Tower Outskirts
Totality Tower
D00M's Revenge
Cold Ambush
Lunar Overture Event A Dark Tale
The Haunted Past
The Great Finale
Krampus Frosthold
Huevous Hunt
The Classic Event Classic Candy Cane Lane
Classic Winter
Classic Forest Camp
Classic Island Chaos
Classic Castle
Hexscape Event Failed Gateway
The Nightmare Realm
Containment
Pls Donate
Outpost 32
(Operation I.C.E)
Korblox Temple
Bathroom Approach
Sk8 P4rk Noob
Pro
Master
Extreme
Halloween 2025 Live Events
Null & Void Event Outpost 16
Banlands
Blind Faith
The Narratorium
Backyard Legends Event Backyard Beginnings
Competition Court
Victory Field
Legacy Enemies
Replaced
Pre-MEGA
Polluted Wasteland
Hidden Wave (Legacy)
Other
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