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Core of Desolation (Cosmivengeon)
An otherworldly chaos has been unleashed... No turning back now.
Desolation Mode-Only content: This information applies only to Desolation Mode and Desolation Mode worlds.

Stamina is a new mechanic which operates through different States.

The default maximum value for the stamina bar is 10000 units.

Energy Particle (Cosmivengeon) Idle:

  • The player does not gain or lose any benefits.
  • If the Exhausted state was activated, the stamina bar will increase at a default rate of 1250 units per second.
  • If the player switched from the Active state to this one, then the stamina bar will increase at a default rate of 2500 units per second instead.

Energized (Cosmivengeon) Active:

  • This state adds the Energized buff to the player.
  • The player gets +33% run speed acceleration, +20% max run speed and +35% item use speed.
  • The stamina bar will decrease at a default rate of 2000 units per second.
  • Switching from Active to Idle forces the stamina bar to wait 0.75s until it starts regenerating again.

Exhausted (Cosmivengeon) Exhausted:

  • This state adds the Exhausted debuff to the player until the stamina bar has reached a certain value (1750 units by default).
  • While the Exhausted debuff is active, the player gets -16% run speed acceleration, -27% max run speed, -33.33% item use speed, +30% fall speed acceleration and +15% max fall speed.
  • When the stamina bar is fully depleted, this state is activated.
  • After activating, there is a 1 second delay before the stamina bar can start regenerating.
  • The player cannot switch to the Active state until the stamina bar is full.


Defeating bosses from vanilla and Cosmivengeon will improve your Stamina ability.

The current stats for a player's Stamina ability can be viewed using the Energy Inspector item.

Stamina Boosts[ | ]

Defeating these bosses will give you the following buffs to your Stamina:

Boss Defeated Stats boosted Status Message
King SlimeKing Slime Idle increase rate: +10%

Exhaustion increase rate: +6%
Active use rate: -3.5%
Maximum Stamina: +1000 units

"Defeating the monarch of slime has loosened up your muscles, allowing you to use Stamina for longer and recover from Exhaustion faster."
Cosmivengeon/FrostbiteFrostbite Exhaustion attack speed rate: +1.75%

Exhaustion move acceleration rate: 1.25%
Exhaustion max move speed: +2.5%
Exhaustion increase rate: +5%

"Defeating the mutant frost demon has boosted your resistance to the effects of Exhaustion."
Eye of CthulhuEye of Cthulhu Idle increase rate: +18%

Active use rate: -7.5%
Active attack speed rate: +1.25%
Active move acceleration rate: +2%
Active max move speed: +2%
Maximum Stamina: +1500 units

"Defeating the master observer of the night has honed your senses, allowing you to move and attack faster while in the Active state."
Cosmivengeon/DraekDraek Idle increase rate: +18%

Active use rate: -7.5%
Active attack speed rate: +1.25%
Active move acceleration rate: +2%
Active max move speed: +2%
Maximum Stamina: +1500 units

"Defeating the serpentine master of the Forest has taught you to steady your form, allowing you to use your Stamina for longer and slightly increasing its benefits."
Eater of WorldsEater of Worlds Exhaustion attack speed rate: +1.5%

Exhaustion move acceleration rate: +4%
Exhaustion max move speed: +5.75%
Exhausted increase rate: +6%

"Defeating the grotesque harbinger from the Corruption has strengthened your resolve, reducing the harmful effects from Exhaustion."
Brain of CthulhuBrain of Cthulhu Active attack speed rate: +2.5%

Active move acceleration rate: +7%
Active max move speed: +4%

"Defeating the Crimson's mastermind has sharpened your wits, letting you react faster to your surroundings."
Queen BeeQueen Bee Active attack speed rate: +2%

Active move acceleration rate: +3%
Exhaustion attack speed rate: +0.75%
Exhaustion move acceleration rate: +1.5%

"Defeating the monarch of the jungle has improved your resilience to Exhaustion and your overall abilities while in the Active state."
SkeletronSkeletron Active attack speed rate: +3%

Active move acceleration rate: +5%
Active max move speed: +5%
Exhaustion attack speed rate: +2.5%
Exhaustion move acceleration rate: +3.125%
Exhaustion max move speed: +3.125%
Idle increase rate: +22.5%
Exhaustion increase rate: +8%
Active use rate: -6%
Maximum Stamina: +2500 units

"Defeating the cursed guardian of the Dungeon has further increased your control over your Stamina."
Wall of FleshWall of Flesh Active attack speed rate: +3.25%

Active move acceleration rate: +6.5%
Active max move speed: +6.5%
Exhaustion attack speed rate: +2%
Exhaustion move acceleration rate: +3%
Exhaustion max move speed: +3%
Idle increase rate: +30%
Exhaustion increse rate: +10%
Active use rate: -10%
Maximum Stamina: +5000 units

"Defeating the horrifying guardian of the world has enlightened you to a new level of mastery over your Stamina."
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