Ice Queen

Ice QueenHardmode exclusive***Map Icon*** Classic Expert MasterStatistics

Inflicts debuffsInflicts debuffsInflicts debuffs

Drops

* **Item (Quantity)****Rate**
* Higher item drop chances in later waves
* One of the following 4 items may be dropped
* Blizzard Staff4.44%–7.78%15.56%–31.11%
* Snowman Cannon4.44%–7.78%15.56%–31.11%
* North Pole4.44%–7.78%15.56%–31.11%
* Baby Grinch's Mischief Whistle0.95%–1.67%3.33%–6.67%
* Reindeer BellsDuring Wave 15 and up 1.12%–1.66%6.66% /  0.56%–0.83%3.33%
* Ice Queen TrophyDuring Wave 15 and up During Wave 15 and up
 During Wave 8 and up4.17%–12.5%
25%–50% 27.27%–60%
* Frozen Crown12.5%–25%
* Ice Queen Relic50%–100%
Sounds

* Internal NPC ID: **345**

The **Ice Queen** is a cold hearted, lonely Hardmode mini-boss that spawns during the Frost Moon event. She is the equivalent to the Pumpking from the Pumpkin Moon, being the Frost Moon's most powerful enemy, coming in at the last waves of the event, and being the event's only flying boss.

Defeating an Ice Queen will add 150 points (300 points) during the Frost Moon, giving the most number of points for any enemy during the event.

## Attacks

Her behavior is characterized by astonishingly fast movement and evasive maneuvers while making constant ranged attacks against the player. She randomly cycles through the following attacks:

* She will sweep across the screen from left to right while shooting frost waves at the player.
* She will hover over the player while raining down frost shards below her. The frost shards from this attack deal slightly more damage (74 / 148 / 222).
* She will stay stationary before spinning in the air and shooting frost shards in all different directions. The frost shards from this attack deal slightly less damage (70 / 140 / 210).

As Ice Queen's health is depleted, her acceleration and maximum horizontal speed increase. Additionally, the firing rates of her attacks increase, as detailed in the following table. Note that these changes happen as Ice Queen's health passes the listed thresholds, and are not continuous; thus, for example, her frost wave firing rate will be 2.07 waves/second at 100% health *and also* at 75% health, but as soon as its health drops below 75%, the rate of fire will increase to 2.22/sec.

## Notes

* During the final waves of the Frost Moon there may be several Ice Queens on the screen at once.
* The Ice Queen has a higher chance of dropping loot in later waves. See Frost Moon for more details.
* The Ice Queen's projectiles inflict the following debuffs:

1. ↑ In total, the chance to inflict the Chilled debuff is 100% for the Frost Wave and ~~66.67\*~~2/3 (66.67%) for the Frost Shard. The Frozen debuff is inflicted with an overall chance of ~~16.54\*~~127/768 (16.54%). Information taken from the PC 1.4.0.5 source code, method ``StatusPlayer`` in ``Terraria.Projectile.cs`` and methods ``AddBuff()`` and ``AddBuff_DetermineBuffTimeToAdd()`` in ``Terraria.Player.cs`` There may be inaccuracies, as the current  PC version is 1.4.4.9.

## Tips

For more elaborate strategies on defeating Ice Queen, including weapon and arena recommendations, see Guide:Frost Moon strategies.
* Both of the Ice Queen's attacks will inflict the Chilled debuff, which slows the player's movement speed, and Frost Waves will sometimes inflict the Frozen debuff which completely immobilizes the player. Drinking a Warmth Potion, equipping a Hand Warmer, or equipping an Ankh Shield in the PC, Console, Mobile, Old Chinese, tModLoader, and tModLoader Legacy versions will negate these effects and potentially make the fight much less frustrating.
* The Frozen debuff causes players to exit their mount. This may kill a player without immunity to fall damage if inflicted at a high point in the sky.
* The Ice Queen is most vulnerable while executing her "Ice Twirl" attack, when she begins to spin in place rapidly, shooting Frost Shards in all directions. This is the only time she stays in one spot.
* The distribution of the Ice Queen's frost shards during her twirl attack is weighted such that the projectiles have a significantly higher chance of shooting near-diagonally than near-vertically or near-horizontally. Thus, players standing roughly along one cardinal direction from the Ice Queen (up, down, left, or right from her) have a lesser chance of being hit than players standing diagonally from her.
* To mitigate her damage, using wings and possibly movement enhancing accessories for chasing and dodging, in addition to equipping a Cross Necklace/Star Veil combined with healing (Spectre armor/Vampire Knives), proves very effective.

## Trivia

* On Old-gen console, Windows Phone, and 3DS versions, Ice Queen is considered the third strongest enemy in the game, the strongest being the Dungeon Guardian and the second strongest being Duke Fishron.
* The Ice Queen's name resembles ice cream, which may or may not be a intentional.

The Bestiary entry for the Ice Queen: *"If this icy towering monstrosity wishes for someone's soul, they'll surely let it go... right from their cold, dead hands."*

* The Ice Queen's bestiary entry may be a reference to Elsa, from the *Frozen* franchise, since Elsa's most famous song is "Let it Go" and the bestiary entry for the Ice Queen references the title of that song. Furthermore, Elsa is known as the Ice Queen because of her royal status, but also because *Frozen* is based on a book by Hans Christian Andersen written in 1844, called *The Snow Queen*.

## History

PC version
* Desktop 1.4.0.1: Now has Master Mode drops: it will always drop the Ice Queen Relic on death and also has a 25% chance of dropping the Frozen Crown pet.

* Desktop 1.3.0.1: Damage decreased from 130 to 120.

* Desktop 1.2.3.1: Damage decreased from 160 to 130.

* Desktop 1.2.2: Introduced.

Console version
* Console 1.05: Introduced.

Nintendo Switch version
* Switch 1.0.711.6: Introduced.

Mobile version
* Mobile 1.2.11212: Introduced.

Nintendo 3DSversion
* 3DS 1.03: Introduced.

## References

1. ↑ 1.0 1.1 Information taken from the PC 1.4.0.5 source code, method `AI()` in `Terraria.NPC.cs`. The relevant part is the `aiStyle == 60` block. There may be inaccuracies, as the current  PC version is 1.4.4.9.
2. ↑ 2.0 2.1 See Frost Moon for more details on the loot drop rates. Information taken from the PC 1.4.0.5 source code, method `RegisterBoss_FrostMoon()` in `Terraria.GameContent.ItemDropRules.ItemDropDatabase.cs` and class `FrostMoonDropGatingChance` in `Terraria.GameContent.ItemDropRules.Conditions.cs`. There may be inaccuracies, as the current  PC version is 1.4.4.9.
3. ↑ Trophies have a different drop rate than other loot from Frost Moon minibosses; see Frost Moon for more detail on these loot drop rates. Information taken from the PC 1.4.0.5 source code, method `RegisterBoss_FrostMoon()` in `Terraria.GameContent.ItemDropRules.ItemDropDatabase.cs` and class `FrostMoonDropGateForTrophies` in `Terraria.GameContent.ItemDropRules.Conditions.cs`. There may be inaccuracies, as the current  PC version is 1.4.4.9.
4. ↑ Information taken from the PC 1.4.3.6 source code, method `CheckProgressFrostMoon()` in `Terraria.NPC.cs`. There may be inaccuracies, as the current  PC version is 1.4.4.9.
5. ↑ For this attack, the frost shards are assigned an angle by being given a random, uniformly-distributed X-velocity and a random, uniformly-distributed Y-velocity, and their velocity vectors are then normalized to have a length of 15.0 (which does not change the angle). Thus, the distribution of the polar angles of their velocity vectors is nonuniform, being proportional to . One external source which illustrates and explains this can be found here.

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