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BiomeBannerFrostMoon
Not to be confused with the Frost Legion, another summoned event.
Frost Moon"The Frost Moon is rising..."Frost Moon
Frost Moon Icon
Progress bar icon

The Frost Moon is a Hardmode, post-Plantera, Christmas-themed event summoned with the Naughty Present at any time at night, ending at dawn (4:30 AM). It can be summoned at any time of the year and does not require the actual Christmas season. During the event, unique and highly difficult enemies spawn at high rates and attack the player. It is similar to the Pumpkin Moon event, but consists of more waves and includes slightly more content. Visually, the moon turns into a snowman head, though remaining in its current phase.

The entire event consists of 15 waves, plus 5 "bonus waves". Waves progress as the player reaches certain kill scores (though kill scores are not displayed to the player before wave 20). After a wave's required score is met, the next wave begins, and the kill score is reset to 0. Status messages will indicate when the wave has advanced, and which wave has been achieved. See the table below for the points awarded for each enemy and the score required for each wave.

The Frost Moon event always ends at 4:30 AM. The goal of the event is to progress through all 20 waves before the event ends, although the achievement for the event is awarded at wave 15.[1]

The Naughty Present, which summons the Frost Moon, requires materials only available in Hardmode worlds where the player has already defeated Plantera (although it can still be summoned in pre-Hardmode worlds). As such, it is intended to present a challenge even to players with the best possible equipment. In the final waves, multiple boss-level enemies are fought at once.

Frost Moon enemies drop powerful weapons, as well as pet and vanity items. Most drop with extreme rarity, and even players who manage to complete the event will find they need to do so several times before obtaining them. Drop chances for items dropped by bosses increase as waves are completed. See the section below for a more detailed description of the rates at which loot and trophies drop.

Reaching wave 15 / 20 before 4:30 AM will display the message “The spirit of Christmas spreads cheer...” at dawn (4:30 AM). For the entire day and night, all special effects of the Christmas season will occur. At 4:30 AM of the next day, the message “The spirit of Christmas fades...” will appear and all Christmas events will no longer occur until the Christmas season begins again or the player reaches the 15th wave of the Frost Moon again. [2]

Contents[]

Waves[]

Points per kill [1]
Enemy Points
Zombie Elf 1 / 2
Gingerbread Man 2 / 4
Elf Archer 3 / 6
Nutcracker 4 / 8
Flocko 0
5
Elf Copter 8 / 16
Krampus 0
10
Yeti 18 / 36
Present Mimic 20 / 40
Everscream 50 / 100
Santa-NK1 100 / 200
Ice Queen 150 / 300
Wave scores & enemies [1]
Wave Points required Enemies
1 0 Zombie Elf and Gingerbread Man
2 25 Zombie Elf and Elf Archer
3 40 Zombie Elf, Elf Archer, Gingerbread Man, and Nutcracker
4 50 Everscream, Zombie Elf, Elf Archer, and Gingerbread Man
5 80 Everscream, Zombie Elf, Elf Archer, and Nutcracker
6 100 Everscream, Elf Archer, Nutcracker, and Elf Copter
7 160 Santa-NK1, Gingerbread Man, Elf Archer, and Zombie Elf
8 180 Santa-NK1, Elf Copter, Elf Archer, Nutcracker, and Krampus
9 200 Santa-NK1, Everscream, Nutcracker, Elf Copter, and Gingerbread Man
10 250 Santa-NK1, Everscream, Krampus, Zombie Elf, and Elf Copter
11 300 Ice Queen, Flocko, Zombie Elf, and Gingerbread Man
12 375 Ice Queen, Everscream, Gingerbread Man, Yeti, and Zombie Elf
13 450 Ice Queen, Santa-NK1, Elf Copter, Gingerbread Man, and Flocko
14 525 Ice Queen, Santa-NK1, Everscream, Yeti, and Krampus
15 675 Ice Queen, Santa-NK1, Everscream, Yeti, and Elf Copter
16 850 Ice Queen, Santa-NK1, Everscream, Yeti, and Flocko
17 1025 Ice Queen, Santa-NK1, Everscream, Yeti, Krampus, and Elf Copter
18 1325 Ice Queen, Santa-NK1, Everscream, Yeti, Nutcracker, and Krampus
19 1550 Ice Queen, Santa-NK1, Everscream, and Yeti
20 2000 Ice Queen, Santa-NK1, and Everscream
  • Total points required to reach wave 15: 3410, wave 20: 10160
  • Present Mimics may spawn at any wave, instead of wave-appropriate enemies, if there are currently less than four Present Mimics around.
  • The maximum number of bosses at once depends on the wave. While this number is reached (or possibly exceeded, for example if the player manages to somehow reach wave 9 without killing two Everscreams from wave 6), no more of this type of boss will spawn.
Boss spawn limits [3]
Wave Everscream
Everscream
Santa-NK1
Santa-NK1
Ice Queen
Ice Queen
4 1 - -
5 1 - -
6 2 - -
7 - 1 -
8 - 1 -
9 1 1 -
10 1 2 -
11 - - 1
12 1 - 1
13 - 1 1
14 1 1 1
15 3 2 1
16 4 2 2
17 5 3 2
18 6 4 3
19 7 5 4
20 Unlimited

Loot[]

Wave Trophy chance Actual trophy drop rate
15 / 8 25*1/4 (25%)
27.27*3/11 (27.27%)
4.17*1/24 (4.17%)
27.27*3/11 (27.27%)
25*1/4 (25%)
27.27*3/11 (27.27%)
25*1/4 (25%)
16 / 9 25*1/4 (25%)
27.27*3/11 (27.27%)
5*1/20 (5%)
27.27*3/11 (27.27%)
25*1/4 (25%)
27.27*3/11 (27.27%)
25*1/4 (25%)
17 / 10 33.33*1/3 (33.33%)
37.5*3/8 (37.5%)
6.67*1/15 (6.67%)
37.5*3/8 (37.5%)
33.33*1/3 (33.33%)
37.5*3/8 (37.5%)
33.33*1/3 (33.33%)
18 / 11 33.33*1/3 (33.33%)
37.5*3/8 (37.5%)
8.33*1/12 (8.33%)
37.5*3/8 (37.5%)
33.33*1/3 (33.33%)
37.5*3/8 (37.5%)
33.33*1/3 (33.33%)
19+ / 12+ 50*1/2 (50%)
60*3/5 (60%)
12.5*1/8 (12.5%)
60*3/5 (60%)
50*1/2 (50%)
60*3/5 (60%)
50*1/2 (50%)

Notes[]

  • The Frost Moon event will sometimes end after leaving and then reentering the world.
  • On the Old Chinese version Old Chinese version and tModLoader 1 tModLoader 1.3-Legacy version, Everscream, Santa-NK1 and Ice Queen can drop their trophies as early as wave 8 in Expert Mode.[4]
  • Water Candles, Peace Candle, Battle Potions and Calming Potions have no effect during the invasion, as the same with some other events.
  • If the player is killed during the event, the event is not canceled. The player will keep re-spawning and can continue fighting its enemies as the event continues until dawn. In single-player games, exiting the world and reloading it will cancel the event, but it will also delete the items from the ground.
  • The Frost Moon does not stack with the Blood Moon. Summoning the Frost Moon while a Blood Moon is active will result in a regular Frost Moon.
  • Summoning a Pirate Invasion during a Frost Moon will cancel it.
  • Any boss enemies that are still on a player's screen by the time dawn breaks will begin to move rapidly in a single direction, rushing off-screen to despawn. It is still possible to pursue or even kill some bosses while this is occurring.
  • Lingering enemies beaten after the event is over will never drop any rare items.

Achievement[]

Achievement Ice Scream
Ice Scream • Reach the 15th wave of a frost moon, where the festive season quickly degrades into madness.
Reach the 15th wave of a Frost Moon.
Category: Slayer Slayer

Tips[]

For more elaborate strategies on defeating Frost Moon, including weapon and arena recommendations, see Guide:Frost Moon strategies.
  • Because spawn rates for areas where Frost Moon enemies cannot spawn are also increased, a Frost Moon can be used to farm for other items, e.g., Pirate Maps at the Ocean, while completely avoiding the Frost Moon enemies.
  • The Frost Moon enemies are susceptible to the Ichor debuff, which makes a Flask of Ichor, Ichor Arrows or Bullets, or the Golden Shower very effective.
  • Players should kill the enemies as soon as they spawn to ensure that more enemies can spawn continuously in order to increase the chances of reaching later waves.
  • The Frost Moon can be a great way to obtain a large amount of coins quickly.
  • A good potion to use is the Warmth Potion as it decreases damage significantly from enemies in the event.

Trivia[]

History[]

  • Desktop 1.4.0.1: Reaching the end of the Frost Moon unlocks one in-game day of Christmas.
  • Desktop 1.2.3.1:
    • Made it slightly easier to advance in Frost Moon waves.
    • Made several Frost Moon monsters shoot slower and do less damage.
  • Desktop 1.2.3:
    • Pumpkin Moon and Frost Moon can now be started when using a Snowman pet.
    • All waves in Frost Moon correctly use "Flocko" in the warning.
    • Flocko & Elf Copter now both correctly run away at dawn.
    • Fixed frost moon wave display text (Elf Zombie to Zombie Elf).

References[]

  1. 1.0 1.1 1.2 Information taken from the PC version PC 1.4.2.1 source code, method CheckProgressFrostMoon() in Terraria.NPC.cs. There may be inaccuracies, as the current PC version PC version is 1.4.4.9.
  2. Information taken from the PC version PC 1.4.2.1 source code, method CheckForMoonEventsStartingTemporarySeasons() in Terraria.Main.cs. There may be inaccuracies, as the current PC version PC version is 1.4.4.9.
  3. Information taken from the PC version PC 1.4.0.5 source code, method SpawnNPC() in Terraria.NPC.cs. There may be inaccuracies, as the current PC version PC version is 1.4.4.9.
  4. 4.0 4.1 4.2 Information taken from the PC version 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 PC version is 1.4.4.9.
  5. For trophies, Expert Mode has a 33.33*1/3 (33.33%) chance of reducing the denominator by 1 compared to Classic Mode; e.g. in Expert Mode on wave 15 on PC version PC, Console version Console, Mobile version Mobile, and tModLoader version tModLoader (or on wave 8 on Old Chinese version Old Chinese and tModLoader 1 tModLoader Legacy), there is a 2/3 chance that the drop rate will be 25*1/4 (25%) (25%), but a 1/3 chance that the drop rate will be 33.33*1/3 (33.33%); thus, the average of these outcomes is \frac{1}{\frac{\left(4+4+3\right)}{3}} ≈ 27.27%; this does not take into account the overall item drop chance. Information taken from the PC version 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 PC version is 1.4.4.9.
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