Blue Guon Stone

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Blue Guon Stone
Blue Guon Stone.png
Type: Passive
Quality: B Quality Item.png
Sell Creep Price: 30 Money.png
Ammonomicon Entry
On My Side
Slows time upon receiving damage.

The Blue Guon Stone, or the Stone of Critical Perception, increases its bearers reaction times in dangerous situations.

Blue Guon Stone is a passive item and a Guon Stone.


  • Upon taking damage, decreases enemy shot speed by 33% for 5 seconds.
  • Orbits the player, blocking enemy shots on contact.
    • The stone orbits around the player faster than the other Guon Stones.


  • Synergy.png Bluer Guon Stone - If the player has +1 Bullets, Amulet of the Pit Lord, or Bullet Time, the size of the Guon Stone is increased and it rotates faster. If the Guon Stone blocks a bullet, it deals 15 damage to all nearby enemies.
    • This synergy is very effective against bosses, due to the large sprays of bullets most bosses fire.
  • Synergy.png Tile Match - If the player also has Tetrominator, whenever the player shoots, Blue Guon Stone will occasionally shoot a J Tetromino.
  • Since the Farewell to Arms update, the Blue Guon Stone now rotates twice as fast compared to other Guon Stones, and therefore no longer affects the location of other Guon Stones that orbit around the player.


  • The Blue Guon Stone, like all the other guon stones, is based on the Ioun Stones, popularized by Dungeons and Dragons.
  • The tagline may be a reference to the idiom "time is on my side", as the item deals with the slowing of time.

See also[edit]