Frost Legion

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Christmas-Only Content
Christmas-Only Content
The content described on this page will only appear during the Christmas event.
BiomeBannerFrostLegion.png
Not to be confused with the Frost Moon, an event with a similar theme.

Worry not, concerned citizen! I am well aware of the organized crime problem among snowfolk.

Emote Town Princess.gif The Princess

Bestiary Frost Legion.pngThe Frost Legion has arrived!Bestiary Frost Legion.png
The Frost Legion attacking the player in a Snow biome.
Frost Legion Icon.png
Progress bar icon

The Frost Legion is a Hardmode invasion event that causes unique snowman enemies to spawn in place of regular enemies. The Frost Legion does not occur naturally, and is summoned manually by the Snow Globe.

After the event is intitiated, the Frost Legion starts from a random side of the world (informed by one of these two status messages: "The Frost Legion is approaching from the west!" / "The Frost Legion is approaching from the east!") and moves to the world spawn point. When the Frost Legion reaches the world spawn point, the status message "The Frost Legion has arrived!" will be displayed. Event enemies can only be spawned near the location of the Frost Legion, or near town NPCs. See Notes for details.

The Frost Legion is completed after killing enough enemies from it. On the Desktop version Desktop version, Console version Console version, and Mobile version Mobile version, a progress bar will be displayed to show the progression of the event.

Defeating the Frost Legion at least once fulfills the condition for the Santa Claus NPC to move in.

Summoning

A Snow Globe can be used to manually summon the Frost Legion if at least one player in the world has at least 200 maximum health.[1] If no player fulfills this condition or an invasion event is already active, the Snow Globe will have no effect and will not be consumed.

Completing

The Frost Legion event is completed after killing enough enemies from the event. The status message "The Frost Legion has been defeated!" is displayed when completing the event.

The required kill count is proportional to the number of players that has at least 200 maximum health in the world when the event is initiated, which can be calculated with the following formula:

[math]\displaystyle{ \text{Kill count}=80+40\times\text{Player count} }[/math]

For example:

  • In singleplayer, the required kill count is [math]\displaystyle{ 80+40\times1=120 }[/math].
  • In multiplayer, with 8 players that fulfill the condition, the required kill count is [math]\displaystyle{ 80+40\times8=400 }[/math]
  • The maximum kill count in an invasion is 10,280 (255 players).

All enemies from the Frost Legion count as 1 kill.

Contents

Notes

  • Once the Frost Legion is defeated, the Santa Claus NPC will be available. The Clothier starts selling the Balla Hat and the Gangsta Hat, and the Traveling Merchant starts selling the paintings Acorns, Cold Snap, Cursed Saint, The Season, and Snowfellas.
  • On average 1/7th of the snowmen spawned during the event are Snow Balla, 2/7th are Snowman Gangsta and 4/7th are Mister Stabby.[2]
  • The Frost Legion has the following features like other invasion events:
    • The status message informing the initiating of the invasion ("The Frost Legion is approaching from the west!" / "The Frost Legion is approaching from the east!") is displayed once in small or medium worlds, or twice in large worlds.
    • Dying or quitting the world will not end the invasion, nor will they affect the progress of the invasion.
    • The type, progress, and required kill count of the current invasion are saved upon quitting the world.
      • As a result, there is no way to prevent an invasion when it occurs.
    • Town NPCs cannot respawn when Frost Legion is active.
    • Invasions start from left or right world border and move to the world spawn point at a speed of 1 tile per tick[3] (or 60 tiles per second; (Desktop, Console and Mobile versions) this speed is affected by time speed, e.g. time slider in Journey Mode, Enchanted Sundial, sleeping).[4] Assuming the world spawn point is at the horizontal center of the world, invasions take 35, 53, and 70 seconds to reach spawn point in small, medium, and large size worlds, respectively.
    • The player must be no deeper than 67.5 tiles below the surface and be within 187.5 tiles horizontally of the location of the invasion for invasion enemies to spawn. In this case, enemies from Frost Legion will completely override other enemy spawns in the current environment.[5]
      • If the invasion has reached no more than 5 tiles from the horizontal center of the world, then the horizontal check can also be satisfied by the player being within 187.5 tiles horizontally of any town NPC. The town NPC's vertical position is not checked. In this case, enemies from Frost Legion only has a 2/3 (66.67%) chance to override other enemy spawns.
    • An invasion will not prevent most other events from happening, like Blood Moon, Solar Eclipse, or random Boss spawns at night. Non-boss enemy spawns can still be overridden by invasion enemy spawns, however.

Achievements

Achievement Do You Want to Slay a Snowman.png
Do You Want to Slay a Snowman? • “Triumph over the frost legion, a festive family of maniacal snowman mobsters.”
Defeat the Frost Legion for the first time. (Desktop, Console and Mobile versions)
Category: Slayer Slayer

Tips

  • The Snowmen are incapable of jumping down through simple platforms.
  • While the snowmen are individually much tougher than goblins, they have no casters or flyers. With suitable equipment and/or a secure base, defeating them is trivial. On the flip side, this is not a lucrative event; its big draw is Santa Claus. That said, they make an excellent target for money farming with a Coin Ring and Slime Staff.
  • The Frost Legion tends to leave placed Snow Blocks everywhere. It may be preferable to fight them some distance from the player's base, to avoid having to "clean up" afterward.
  • The Snowmen are considered cold-themed enemies, so a Warmth Potion can help decrease damage taken during the event.
  • The natural deposits of Snow Blocks are limited in a world. However, the Snowmen dropping them makes them a renewable resource. A singleplayer Frost Legion will drop an average of 900 blocks (another 450 for each additional player) plus whatever they threw during the fight.
  • If fighting them during Christmas, there is a better than even chance for a (single) player to get a replacement Snow Globe from the Presents the snowmen drop.
  • It is possible to obtain Presents (and thereby a Snow Globe) outside of the usual time limits of the Christmas by altering the date and time settings of the player's device.
  • (Desktop, Console and Mobile versions) Reaching wave 15 of the Frost Moon will unlock one in-game day of Christmas, regardless of date, which in turn allows the player to farm Presents for Snow Globe drops.

Trivia

Exploding Snowman.gif
Exploding Snowman sprite
  • The Frost Legion has the least amount of item drops in the game, only dropping Snow Blocks.
  • A fourth Snowman sprite is seen within the game resources with dynamite lodged in its head, but it is not used in the game.
    • The changelog of 1.2 stated that the Frost Legion is back, now with another member, so it may have been considered for addition at the time.
    • Additionally, along with many other enemies, the still unused Exploding Snowman was resprited for the 1.3.5 update.
  • The "Do You Want to Slay a Snowman?" achievement is a joke on the famous song Do You Want to Build a Snowman? from the 2013 Disney animated film Frozen.
  • "Snowman" is slang for a gangster, hence the theme of the Frost Legion's enemies.

History

  • Desktop 1.3.0.1: Mister Stabby, Snow Balla, and Snowman Gangsta now all drop their own respective banners.
  • Console 1.0.933.1: Mister Stabby, Snow Balla, and Snowman Gangsta now all drop their own respective banners. (Xbox One)
  • Console 1.0.750.0: Mister Stabby, Snow Balla, and Snowman Gangsta now all drop their own respective banners. (PlayStation 4)
  • Mobile 1.3.0.7: Mister Stabby, Snow Balla, and Snowman Gangsta now all drop their own respective banners.

References

  1. Information taken from the Desktop version Desktop 1.4.4.9 source code, method ItemCheck_UseEventItems() in Terraria.Player.cs.
  2. Information taken from the Desktop version Desktop 1.4.4.9 source code, method SpawnNPC() in Terraria.NPC.cs.
  3. A tick is a time unit countable by the software. Most of Terraria's updating logic happens every tick. A tick has the length of 1/60th of a second, hence there are 60 ticks in a second and 3600 ticks in a minute.
  4. Information taken from the Desktop version Desktop 1.4.4.9 source code, method UpdateInvasion() in Terraria.Main.cs.
  5. Information taken from the Desktop version Desktop 1.4.4.9 source code, method SpawnNPC() in Terraria.NPC.cs.