The Colosseum is an Act 2 Event, but only appears in the top half of the act. It forces a fight with two Slavers, then gives the player the option to fight more enemies for a large reward.


Begins a battle with Blue Slaver and Red Slaver.

Once the battle is over, the following 2 options are given:


Brings up the map screen.

[VICTORY] A powerful fight with many rewards.

Begins a fight with a Taskmaster and a Gremlin Nob. The reward is 100 gold, 1 rare and 1 uncommon relic, and a standard card selection.


  • While the fight with the slavers is not optional, the second fight is completely optional.
  • As the Gremlin Nob is in front of the Taskmaster, it cannot apply Icon Vulnerable Vulnerable, but it is still powerful and gains Icon Strength Strength from Skills played; it should be dispatched quickly. The Taskmaster, on the other hand, can fill your discard pile withWounds
    , but does less damage overall.

Update History

  • Patch V1.1: The Dealer
    • Colosseum event now appears only at the top half of Act 2.
  • Slay the Spire 1.0: Farewell Early Access
    • Colossuem Nob fight ordering swapped so that the Nob can apply Vulnerable.
  • Weekly Patch 56: The Collector
    • Colosseum event's second fight is now a Gremlin Nob + Taskmaster (rather than 2 Gremlin Nobs)
  • Weekly Patch 42: Reboot
    • Orb VFX no longer render in the background of the Colosseum event.
  • Weekly Patch 41: Chill
    • Colosseum Nobs no longer play double music.
    • Fixed bug causing block to maintain between colosseum combats.
    • Fixed Smoke Bomb and Colosseum bug that caused the player to go invisible.
    • Killing a Colosseum Nob no longer causes the music to stop.
  • Weekly Patch 39: We Meet Again!
    • Added City Event: The Colosseum.
Community content is available under CC-BY-SA unless otherwise noted.