Summoner Boss

ARTICLE

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Sandbox Only Content

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Summoner Boss was previously removed on the 24th of September 2025, though it has been made available through the Sandbox mode later.
It is not accessible anywhere else in the game. This page will attempt to include information about both the version before removal and its re-added version.

Similar Article

This article is about Summoner Boss. You may be looking for Mystery Summoner, Necromancer Boss from Hardcore mode or the Enemies Beta Necromancer King.

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 <title source="title1"><default>Summoner Boss</default></title>

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Description

The Summoner Boss is a boss enemy that can summon Mysteries and Mystery Bosses. For its debut, it has high health (higher than the Tank) but slightly slow speed (slower than the Mystery Boss). It debuts alongside the Error.

The Summoner Boss only appears in the Golden mode and Legacy Fallen mode. It also appears in certain Challenge Maps.

The Summoner Boss is replaced by the Necromancer King in any map with the Enemies Beta modifier active.

Appearance

The Summoner Boss has reflective grey skin and purple glowing eyes. Because of its reflective skin, its skin color will be different on various maps, though generally it is black or dark grey. Its torso and legs are pebble black. It also wears a reflective dark granite cloak. It has red diamond-plated armbands and large grey skull shoulder-pads, with purple eyes and large horns. It wears a purple respirator mask, a bowler hat with playing cards on it and wields a staff that emits purple electricity whenever enemies are summoned. It has a twisted left leg.

Strategy

• Deal with this enemy as soon as possible. Leaving the Summoner Boss alive for too long will allow it to summon a vast amount of enemies.
  • Place towers closer to the spawn to have a better chance at dealing with the Summoner Boss before it can summon anything.
• The Ranger, Accelerator, Minigunner and Turret are great at dealing with the Summoner Boss and the Mystery Bosses it summons.
  • You may want to set these towers to Strongest to ignore the enemies that the Summoner Boss spawns.
  • You can boost the firerate of these towers with the Commander's Call to Arms ability whenever the Summoner Boss spawns.
• Area of effect towers, such as the Executioner, Rocketeer or Mortar, can be great at dealing with enemies summoned by the Summoner Boss.
  • They can also be useful at dealing damage to the Summoner Boss. Do note, however, that these towers do not have enough DPS to deal with the Summoner Boss on their own.

Gallery

Previous Variants

• First version, first animation (13 October 2019 – 29 October 2020)
  First version, first animation (13 October 2019 – 29 October 2020)

Corpse Variants

• Second Corpse variant, current version (12 March 2025 – Present)
  Second Corpse variant, current version (12 March 2025 – Present)

Thumbnails

• Summoner Boss on the game thumbnail.
  Summoner Boss on the game thumbnail.

Icons

• Summoner Boss on the game icon.
  Summoner Boss on the game icon.
• Summoner Boss on the game icon.
  Summoner Boss on the game icon.
• Summoner Boss on the game icon.
  Summoner Boss on the game icon.

Promotional Images

• Summoner Boss on a promotional image.
  Summoner Boss on a promotional image.

Promotional Videos

• Summoner Boss on a promotional video.
  Summoner Boss on a promotional video.

Trailers

• Summoner Boss in the game trailer.
  Summoner Boss in the game trailer.

Miscellaneous

• Summoner Boss on its Index icon.
  Summoner Boss on its Index icon.

Trivia

• The Summoner Boss is considered to be the successor of the Necromancer 2.
• The Summoner Boss's breathing mask is a re-textured version of the Deep Space Half Gas Mask from the Roblox catalog.
• The Summoner Boss's face is a re-textured version of the Ghostface from the Roblox catalog.
• Prior to the Entity System Update, the Summoner Boss could summon enemies which remained in the air.
• Prior to the Overhaul Update, the Summoner Boss was one of the few enemies to gain a shield. This shield reduced the damage dealt by most towers to 2-4.

Update History

• 13 October 2019 - Release v1.0.0
  • Summoner Boss added, replacing the Necromancer 2.
• 25 November 2019 - Release v1.3.0
  • Health increased from 8,000 to 12,000.
  • Speed increased from Average to Above Average.
• 14 February 2020
  • Now has Partial Electric Immunity.
• 4 March 2020 - Release v1.8.0
  • Summoner Boss now gains a temporary shield after summoning.
  • Health increased from 12,000 to 15,000.
• 18 March 2020 - Release v1.8.1
  • Shield maximum damage increased from 1 to 2-4.
• 26 May 2020 - Release v1.11.0
  • Summoner Boss now spawns the Mystery and Mystery Boss instead of the Ultra Mystery, Boomer (Splitter in Polluted Wasteland) and Uber Mystery.
• 29 October 2020 - Overhaul v1.0.0
  • Health decreased from 15,000 to 8,000.
  • Permanent Shield ability removed.
  • Summon no longer gives a temporary shield.
  • Speed decreased from Above Average to Slightly Slow (2).
  • Mystery Boss spawn chance decreased.
  • Summoned enemies no longer give money when damaged.
  • Partial Electric Immunity replaced with Energy Immunity.
  • Animation changed.
  • No longer appears in Golden mode as it has been removed.
• 23 May 2023 - v1.7.3a
  • Energy Immunity replaced with Stun Immunity.
• 2 August 2024 - v1.27.0
  • No longer appears in Fallen mode, as it has been replaced by the Fallen Summoner.
• 17 December 2024 - v1.46.4
  • Summoner Boss now appears in Golden mode and Legacy Fallen mode, if activated through Sandbox mode.
• 17 December 2024 - v1.46.5
  • Summoner Boss no longer appears in Golden mode and Legacy Fallen mode, as they has been removed.
• 12 February 2025 - v1.53.0
  • Summoner Boss now appears in Golden mode and Legacy Fallen mode, if activated through Sandbox mode.
  • Bug: Summoner Boss no longer appears in the Index.
• 30 April 2025 - v1.63.0
  • Bug: Summoner Boss no longer uses the death sound effect.
• 24 September 2025 - v1.75.0
  • No longer appears in public rotation of Challenge Maps, as they exclusively appear within Sandbox mode.

Notes

File:GoldenHardcoreIcon.png Golden
Previous Debut	Current Debut	Next Debut
Boomer Wave 34	Summoner Boss Wave 36	24 Karat Wave 39

File:GoldenHardcoreIcon.png Golden (Polluted Wasteland)
Previous Debut	Current Debut	Next Debut
Splitter Wave 34	Summoner Boss Wave 36	24 Karat Wave 39

File:FallenHardcoreIcon.png Legacy Fallen
Previous Debut	Current Debut	Next Debut
Templar Wave 35	Summoner Boss & Error Wave 36	Fallen Hero Wave 39

File:FallenHardcoreIcon.png Fallen (Polluted Wasteland)
Previous Debut	Current Debut	Next Debut
Templar Wave 35	Summoner Boss & Circuit Wave 36	Fallen Hero Wave 39

File:EnemiesNewHeader.png