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Type Boss
Environment Old One's Army
AI Type Betsy AI
Damage 80 / 104 Desktop versionConsole version (melee)
65 (Fireball) 120 (Flame Breath)
Max Life 50000 / 75000 Desktop versionConsole version
Defense 38
KB Resist 100%
Inflicts debuff On Fire!.png On Fire! (Breath attack) 100% chance
Debuff duration 10 seconds / 20 seconds Desktop versionConsole version
Debuff tooltip Slowly losing life
Immune to: Confused.png
Item (Quantity) Rate
One of the following 4 weapons will always drop
Aerial Bane.png
Sky Dragon's Fury.png
Betsy's Wrath.png
Flying Dragon.png
Betsy's Wings.png
Betsy Mask.png
Betsy Trophy.png
Treasure Bag (Betsy).png
100% Desktop versionConsole version

Map Icon Betsy.png
Map Icon
Internal NPC ID: 551
Desktop version Desktop-Only Content: This information applies only to the Desktop version of Terraria.

Betsy is a Hardmode, post-Golem boss that spawns in the 7th (the last) wave of the Old One's Army event. Like all enemies in the Old One's Army, it will despawn upon completion or failure of the event. When Betsy is defeated, the progress of wave 7 will reach 100% and the event will be completed.

Behavior[edit | edit source]

  • The way Betsy attacks is in a similar manner to Duke Fishron since she flies and spews projectiles. Unlike Duke Fishron, however, she does not have additional phases as a boss.
  • Unlike most enemies present in the Old One's Army, Betsy will charge directly at the player and won't attack the Eternia Crystal itself unless the player moves far enough from Betsy.
  • Betsy alternates between four attacks:
    • She flies in a large loop, before dashing at the player multiple times.
    • She goes to the edge of the screen, and flies horizontally, breathing a constant stream of fire downwards.
    • She launches many smaller fireballs that are affected by gravity.
    • She stands in place, and roars. Two Etherian Wyverns will then appear beside her.

Notes[edit | edit source]

  • The progress of Wave 7 increases as the boss takes damage.
  • It is one of the two wyverns that doesn't have the Worm AI along with Etherian Wyverns.

Tips[edit | edit source]

  • The On Fire! debuff negates life regen from Nebula armor's set bonus. If you are unable to avoid Betsy's fire breath attack, it might make the armor ineffective.
  • Use Bubble blocks to make a floating pool of water to cancel the On Fire debuff. Honey will also cancel the debuff and also give extra life regeneration, but slows down movement in it.

Trivia[edit | edit source]

  • Before, it was the enemy that increased the progress of wave/invasion type event by the most. It added 100% to the progress of the final wave, a lot more than Pumpking on wave 15 and Ice Queen on wave 20.
  • The boss is based on the Betsy boss from Dungeon Defenders 2, as the 1.3.4 update brought a crossover event between the two games.
  • Betsy closely resembles the legendary wyvern, the distant, lesser cousin to the dragon. The most notable differences between wyverns and dragons are that wyverns have two legs, are smaller, weaker, not as intelligent, and usually lack the ability to breathe fire or to speak.

Gallery[edit | edit source]

Betsy in DD2

See also[edit | edit source]

  • Betsy at Dungeon Defenders 2 Wiki

History[edit | edit source]

Desktop versionDesktop version
Betsy Desktop version
Betsy.png Boss • Betsy Mask.png Mask • Betsy Trophy.png Trophy • Treasure Bag (Betsy).png Treasure Bag • Betsy's Wings.png Wings

Flying Dragon.png Flying Dragon • Sky Dragon's Fury.png Sky Dragon's Fury • Aerial Bane.png Aerial Bane • Betsy's Wrath.png Betsy's Wrath
Old One's Army EnemiesDesktop version
Melee Enemies Etherian Goblin.png Etherian Goblin • Etherian Goblin Bomber.png Etherian Goblin Bomber • Kobold.png Kobold • Wither Beast.png Wither Beast • Old One's Skeleton.png Old One's Skeleton
Ranged Enemies Drakin.png Drakin • Etherian Javelin Thrower.png Etherian Javelin Thrower • Etherian Lightning Bug.png Etherian Lightning Bug • Etherian Wyvern.png Etherian Wyvern • Kobold Glider.png Kobold Glider
Bosses Dark Mage.png Dark Mage • Ogre.png Ogre • Betsy.png Betsy
Characters: Blue Slime.png Pre-Hardmode Enemies • Pixie.png Hardmode Enemies

Goblin Warrior.png Event Enemies • Skeletron Head.png Bosses • Bunny.png Critters • Guide.png Friendly NPCs • Baby Dinosaur.png Pets
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