Hidden Boss

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This article is about Hidden Boss. You may be looking for Hidden, Shadow Boss or Hidden Zoomer.

Description

The Hidden Boss is a large and fast boss that appears in Casual, Legacy Molten, Intermediate, Molten, Base Arena PVP and Molten Arena PVP modes. It also appeared in The Classic Event. It has decent amount of health and decent speed. Towers must have hidden detection to target the Hidden Boss.

The Hidden Boss can be spawned from the Mystery Boss upon its death in the Easy and Legacy Molten modes.

Strategy

• Towers with decent DPS and hidden detection, like the Minigunner, Hunter and Crook Boss can be used to deal with it.
  • Early-game towers like the Cowboy, Soldier, Militant or Assassin can also be used.
• Towers like the Ace Pilot or Firework Technician can be used to grant hidden detection to towers that do not normally have it, like the Ranger, Mortar or Toxic Gunner.
• While some splash damage towers like the Demoman and Mortar cannot target Hidden Bosses, they can hit them through splash damage, if another detectable enemy is near the Hidden Boss.
  • This is very useful for towers which have a large explosion range, such as the Mortar.
  • The Rocketeer can be effective against the Hidden Boss because of its hidden detection and high DPS.
• You can use the Frost Blaster, Freezer and Warden to slow the Hidden Boss down.
  • While Sledger and Tesla do not have hidden detection, they can still indirectly hit the Hidden Boss if a detectable enemy is near it, though this should not be relied on as its quite inconsistent.
  • Due to the Hidden Boss's size, various forms of stalling like freeze or knockback will be less effective on it.

Trivia

• When the Uber Mystery was in the game, it had a chance of spawning the Hidden Boss, upon its death, in Golden and Fallen modes.
• The current appearance of the Hidden Boss is very similar to the original version of the Shadow Boss.
• On some devices, the Hidden Boss may have transparent skin instead of black skin, with certain graphics settings.
• The cape used by the legacy Hidden Boss is a re-textured version of the Guardian of the Night Cape accessory from the Roblox catalog.
• Multiple Hidden Bosses can be seen as a chess piece in the Chess Board map, representing the Bishop chess piece.
  • One of the Hidden Bosses can also be seen hanging on the chess piece.

Update History

• 14 June 2019 - BETA v1.0.0
  • Hidden Boss added.
• 13 October 2019 - Release v1.0.0
  • First wave appearance changed from wave 22 to wave 24 on Easy and Normal modes (now Easy and Molten modes).
  • Health increased from 500 to 600.
  • Appearance changed.
• 26 May 2020 - Release v1.11.0
  • First wave appearance changed from wave 24 to wave 17 in Beginners mode.
• 29 October 2020 - Overhaul v1.0.0
  • Health decreased from 600 to 450.
  • Appearance changed.
• 8 May 2021 - Overhaul v1.3.0
  • Appearance changed.
• 31 October 2022 - v1.4.2
  • Now has a new appearance with the Enemies Beta modifier active.
• 24 February 2024 - v1.14.0
  • Modern variant added.
  • Now uses Enemies Beta appearance in Easy mode.
  • Speed increased from Above Average (4) to Slightly Fast (5) in Easy mode.
  • Now gives Cash upon death in Easy mode.
• 3 May 2024 - v1.20.0
  • Cash given upon death increased from Cash to Cash in Easy mode.
  • Now appears in Intermediate mode.
    • Has 600 health in Intermediate mode.
    • Gives Cash upon death in Intermediate mode.
• 18 May 2024 - v1.22.0
  • Now appears in PVP Test.
    • Has 450 health in PVP Test.
    • Unlocked on Wave 20.
    • Can be sent out for Cash in groups of 1.
    • Adds Cash to economy.
• 23 May 2024 - v1.23.0
  • Appearance and animation changed in Molten mode.
  • Speed increased from Above Average (4) to Slightly Fast (5) in Molten mode.
  • Now appears in Classic Forest Camp and Classic Castle.
    • Has 450 health in Classic Forest Camp and Classic Castle.
• 28 May 2024 - v1.23.3
  • No longer appears in Classic Forest Camp and Classic Castle, as they have been removed.
• 29 May 2024 - v1.23.4
  • Send cooldown increased from 1 to 3.
  • Economy boost decreased from Cash to Cash.
• 21 June 2024 - v1.25.0
  • Send cost increased from Cash to Cash.
  • Send cooldown increased from 3 to 4.
• 19 July 2024 - v1.26.0
  • Send cooldown removed.
• 25 September 2024 - v1.33.0
  • Now is a Boss enemy when it first spawns in Easy mode.
  • Appearance and animation changed.
• 6 November 2024 - v1.40.0
  • Hidden Boss can no longer have its defense dropped while a Boss enemy.
• 11 December 2024 - v1.45.0
  • Now appears in Casual mode.
    • Has 700 health in Casual mode.
  • Health increased from 600 to 700 in Intermediate mode.
  • Health increased from 450 to 700 in Molten mode.
• 17 December 2024 - v1.46.4
  • Hidden Boss now appears in Legacy Molten mode, if activated through Sandbox mode.
• 17 December 2024 - v1.46.5
  • Hidden Boss no longer appears in Legacy Molten mode, as it has been removed.
• 12 February 2025 - v1.53.0
  • Legacy version now uses the correct statistics in Sandbox mode.
• 12 February 2025 - v1.53.3a
  • Hidden Boss now appears in Legacy Molten mode, if activated through Sandbox mode.
• 9 April 2025 - v1.60.0
  • Now appears in Low Rank and Mid Rank PVP Test.
    • Has 600 health in Mid Rank.
    • Has a spawn timer of 3 in Low Rank.
    • Send number increased from 1 to 1-2.
    • Now changes the health of the Hidden Boss to 600 when sent.
• 23 April 2025 - v1.62.0
  • No longer appears in the PVP Test as it has been removed.
• 30 April 2025 - v1.63.0
  • Template:Bug Legacy Hidden Boss no longer uses the death sound effect.
• 23 July 2025 - v1.71.0
  • Now appears in Basic Arena and Molten Arena PVP, carrying over most of its PVP Test statistics.
    • Health increased from 450 to 750 in Basic Arena.
    • Health increased from 600 to 850 in Molten Arena.
    • Number sent decreased from 1-2 to 1.
    • No longer changes health to 600 when sent in Basic Arena.
• 1 October 2025 - v1.76.0
  • Cash given is now mode dependent.
    • Most modes give Cash on death.
    • Default value is Cash on death.
• 4 October 2025 - v1.76.2b
  • Hidden Boss now appears in Nil Zone as part of the Halloween 2025 Live Events.
    • Has 3,500 health.
    • Gives Cash on death.
• 4 October 2025 - v1.76.2d
  • Hidden Boss no longer spawns in Nil Zone, as the Halloween 2025 Live Event has ended.
• 11 October 2025 - v1.76.4a
  • Hidden Boss now appears in Nil Zone as part of the Halloween 2025 Live Events.
  • Health decreased from 3,500 to 3,000 in Nil Zone.
• 12 October 2025 - v1.76.4b
  • Hidden Boss no longer spawns in Nil Zone, as the Halloween 2025 Live Event has ended.
• 28 January 2026 - v1.84.0
  • No longer appears in Easy mode.
  • First wave appearance changed from 20 to 23 in Intermediate mode.
  • Health increased from 700 to 850 in Intermediate mode.
  • Health increased from 700 to 1,000 in Molten mode.
  • Cash given increased from Cash to Cash on death in Intermediate mode.
  • Cash given increased from Cash to Cash on death in Molten mode.
• 2 July 2026 - v2.1.7
  • First wave appearance changed from 17 to 22 in Casual mode.
  • Health increased from 700 to 1,500 in Casual mode.
  • Cash given decreased from Cash to Cash on death in Casual mode.
• 7 August 2026 - v2.5.0
  • Now appears in Derailed, Surface Tension and Lights Out.
    • Has 750 health in Derailed.
    • Has 1,750 health in Surface Tension.
    • Has 2,200 health in Lights Out.
    • Gives Cash on death in Derailed and Lights Out.
    • Gives Cash on death in Surface Tension.

Notes

File:MoltenHardcoreIcon.png Molten
Previous Debut	Current Debut	Next Debut
Elite Hazmat Wave 17	Hidden Boss Wave 18	Molten Necromancer Wave 20

File:Bronze-Medal.png File:Silver-Medal.png Pre-MEGA (Easy, Normal, Hard & Insane) File:Gold-Medal.png File:Platinum-Medal.png
Previous Debut	Current Debut	Next Debut
Strong Wave 21	Hidden Boss Wave 22	Lightning Wave 26

File:EnemiesNewHeader.png