King Slime

Desktop version Console version Mobile version
This is the main page whose information applies to the Desktop, Console, and Mobile versions of Terraria.
For the differences of this information on Old-gen console and 3DS, see Legacy:King Slime.
King Slime
King Slime.gif
Map Icon King Slime.png
Map Icon
Classic Mode.png Classic
Expert Mode.png Expert
Master Mode.png Master
Statistics
Type
BossSlime
Environment
Forest Slime Rain
AI TypeKing Slime AI
Damage40/64/96
Max Life2000/2800/3570
Defense10
KB Resist100%
Immune toShimmeringConfusedPoisoned
Drops
Coins1 GC2 GC50 SC
Sounds
Hurt
Killed
Map Icon King Slime.png “The lord of all things slimy.” Map Icon King Slime.png

King Slime is a pre-Hardmode boss. Fighting King Slime is not required for game progression, but his defeat may reward the player with useful items. Defeating him for the first time also causes the Nerdy Slime(Desktop, Console and Mobile versions) town pet to spawn from the boss.

While King Slime is alive, the music Boss 1 will play. When Otherworldly music (Desktop, Console and Mobile versions) is enabled, the track Boss 1 (Otherworldly) will play instead.

Summoning and spawning

Manual

King Slime can be summoned by using the Slime Crown, in any biome at any time.

Random

King Slime has a 1/300 (0.33%) chance of spawning naturally if the following conditions are met:[2]

  • The potential spawn point is located in one of the outer lateral sixths of the map (the far left or far right).
  • The depth at its potential spawn point is above zero.
  • It is daytime.
  • The player is not in a Graveyard biome.
  • There must be standard, green grass at its potential spawn point (off-screen; see NPC spawning)
    • If the spawn succeeds, King Slime will spawn in a random place around the player and not necessarily on this grass block.

Slime Rain

Main article: Slime Rain

If 150 slimes are killed by players, NPCs, traps, lava, and/or summoned minions during the Slime Rain event, King Slime spawns. The following slimes will count toward this total as long as they are killed during the event: Baby Slime, Black Slime, Blue Slime, Green Slime, Jungle Slime, Pinky, Purple Slime, Red Slime, and Yellow Slime. Statue-spawned slimes are counted as well. Defeating King Slime ends the event shortly after. If all players die, King Slime despawns, and the event continues for some time before ending on its own (between 9 and 15 in-game hours). If King Slime has already been defeated in a world, it only takes 75 slime kills to spawn him. If King Slime is summoned manually with the Slime Crown and then subsequently killed, while the Slime Rain is active, the event ends in the same way as if the player killed the King Slime that naturally spawns at the end of the event. This can be quite helpful for players in later stages of the game who want to get the Slime Rain event over with as quickly as possible.

Don't dig up

Main article: Don't dig up

In Don't dig up worlds, killing a slime has a 1/200 (0.5%) chance of spawning King Slime, provided the boss has not yet been defeated, is not already alive, and at least one player has more than 140 maximum health and more than 8 defense.[3] Only the death of certain types of slime can trigger this: Baby Slime, Black Slime, Blue Slime, Green Slime, Jungle Slime, Pinky, Purple Slime, Red Slime, and Yellow Slime. Statue-spawned slimes are eligible as well. Slimes killed without the player dealing damage to them will not spawn King Slime.

Behavior

As King Slime takes damage, he spawns additional ordinary Blue Slimes (and Spiked Slimes(Desktop, Console and Mobile versions) in Expert and Master Mode) and appears to shrink in size.

Aftermath

Notes

  • Although being a large and resilient enemy, in addition to boss music playing during the fight, a map icon, and a boss health bar appearing, King Slime is often regarded as a "side-boss" or "mini-boss" (though there is no official word on this from the developers). He differs from other bosses in the following ways:
    • King Slime can be encountered regardless of the current level of game advancement.
    • He is the only boss alongside Golem that takes damage from lava.
    • He can spawn at random in a certain area of the world, which is similar to the spawning of regular enemies, rather than bosses.
  • King Slime will teleport upon the player if he is unable to reach them. This can be performed from any distance and prevents easily trapping the boss within a small area.
  • King Slime's highest jump can clear a 17-block-high wall.
  • In Expert Mode(Desktop, Console and Mobile versions), King Slime summons Spiked Slimes along with normal slimes as he loses health. These are not affected by the Royal Gel (unlike the other, normal Blue Slimes spawned).
  • King Slime can spawn inside of blocks, making him unable to move unless through teleporting.
  • It is possible for King Slime to teleport to the player after they died fighting in the outer layers of the world.
  • in the Celebrationmk10 worlds, King Slime can naturally spawn at least a third of the world width away from ocean spawn.
    • This is because the game checks if its potential spawn point is at least a third of the world width away from world spawn, and in normal worlds this translates into outer lateral sixths of world.
  • In For the worthy and Get fixed boi worlds, King Slime's body is twice as large in diameter.

Achievements

Achievement Slippery Shinobi.png
Slippery Shinobi • “Defeat King Slime, the lord of all things slimy.”
Defeat King Slime for the first time. (Desktop, Console and Mobile versions)
Category: Slayer Slayer
Achievement Sticky Situation.png
Sticky Situation • “Survive the slime rain, where gelatinous organisms fall from the sky in droves.”
Defeat King Slime during Slime Rain. (Desktop, Console and Mobile versions)
Category: Explorer Explorer
Achievement Slayer of Worlds.png
Slayer of Worlds • “Defeat every boss in Terraria.”
Defeat every boss in the game. (Desktop, Console and Mobile versions)
Category: Challenger Challenger
Achievement Gelatin World Tour.png
Gelatin World Tour • “Defeat every type of slime there is!”
Defeat at least one of every type of slime. (Desktop, Console and Mobile versions)
Category: Challenger Challenger

Tips

For more elaborate strategies on defeating King Slime, including weapon and arena recommendations, see Guide:King Slime strategies.
  • Piercing weapons can not only damage King Slime, but also kill the additional slimes he spawns.
  • When King Slime is about to teleport, he shrinks and his map icon will get closer towards the ground. The latter can be used to know when he is about to return if he goes offscreen.
  • The Blue Slimes that are spawned during the fight can drop Hearts and Stars, which respectively restore 20 health and 100 mana.
  • Due to the high number of Blue Slimes spawned during the fight, summoning King Slime while in specific areas can be a quick, easy way to farm for specific drops. Examples include Biome Keys, Pirate Maps, Halloween and Christmas drops, or the Cascade(Desktop, Console and Mobile versions), Hel-Fire(Desktop, Console and Mobile versions), Amarok(Desktop, Console and Mobile versions), Yelets(Desktop, Console and Mobile versions), and Kraken(Desktop, Console and Mobile versions) yoyos. Before 1.4.0.1(Desktop, Console and Mobile versions), they can also drop souls.
  • King Slime himself does not drop any Gel, but the Blue Slimes he spawns do. This makes fighting him a good way to farm Gel, e.g. for Flamethrower ammo or Asphalt Blocks.
  • Killing King Slime on Expert Mode and selling all drops gives 10 GC on average.
  • When King Slime teleports, he can become stuck inside the blocks around him, preventing his movement for a while.

Trivia

  • Assuming that the player is 5′ 9″ (1.75 m) in terms of height, King Slime would be about 11′ (3.35 m) tall and 11′ 8½″ (3.57 m) wide.
  • The source of the Ninja armor appears to be from the ninja inside King Slime.
  • According to Redigit, the trapped ninja is the Guide's brother,[4] and he was consumed by King Slime as a result of losing the fight against the boss.[5] This statement was most likely a joke[6] and is not considered official lore.[7]
  • The trophy dropped by King Slime seems to be a Ninjatō covered in slime, a common weapon that ninjas are usually shown to carry. This may be because King Slime drops the Ninja armor.
  • The images for the ninja inside King Slime and the crown are stored in separate image files. King Slime's sprite without them looks similar to a massive Blue Slime.
    • The sprite from 1.1 did not have the crown or the ninja.
    • Both sprites can be found as Ninja and Extra_39 internally.
  • Despite sometimes being considered the easiest boss in the game, he does the second highest damage of any pre-Hardmode boss, only beaten by the Wall of Flesh in Classic Mode or Skeletron in Expert Mode(Desktop, Console and Mobile versions).
  • King Slime is one of the only bosses capable of spawning randomly even after he has already been defeated in the world, the other being Deerclops.
  • King Slime appears in the video game Core Keeper as part of a crossover.
  • When teleporting, King Slime drops his current crown and seemingly generates a new one upon completing the teleport.
  • The Spiked Slime, Pirate's Curse(Desktop, Console and Mobile versions), Jungle Mimic(Desktop, Console and Mobile versions), and Golden Slime(Desktop, Console and Mobile versions) are the only non-invincible enemies in the game without a Bestiary entry, and King Slime is the only boss whose summoned enemies do not have one.
  • The BestiaryBestiary entry for King Slime: "Slimes normally aren't intelligent, but occasionally they merge together to become a powerful force to swallow all things."

Gallery

  • King Slime without the ninja inside or a crown.
    King Slime without the ninja inside or a crown.
  • King Slime's crown.
    King Slime's crown.
  • The ninja seen inside King Slime.
    The ninja seen inside King Slime.

See also

History

  • Desktop 1.4.4:
    • Now takes up more enemy slots, reducing or outright eliminating additional enemy spawns during his fight (not including Blue Slime minions). This does not impact Slime Rain spawns.
    • Defeating King Slime for the first time will now spawn the Nerdy Slime.
  • Desktop 1.3.0.1:
    • A sprite for a crown added. Without the crown, the sprite was King Slime (old).png.
    • New drops added.
    • Now has an Expert Mode AI.
    • Now teleports whenever stuck and when not in range of the player for over 5 seconds.
    • Can now spawn during the Slime Rain event.
    • Now drops the Solidifier.
  • Desktop 1.0.5:
    • Now floats in liquids and doesn't make a splash sound when hitting water.
    • Only one King Slime may spawn at a time now.

References

  1. ↑ 1.0 1.1 Information taken from the Desktop version Desktop 1.4.4.9 source code, method RegisterBoss_KingSlime() in Terraria.GameContent.ItemDropRules.ItemDropDatabase.cs.
  2. ↑ Information taken from the Desktop version Desktop 1.4.4.9 source code, method SpawnNPC() in Terraria.NPC.cs. The actual spawn chance can be slightly lower due to certain higher priority spawns.
  3. ↑ Information taken from the Desktop version Desktop 1.4.4.9 source code, method DoDeathEvents() in Terraria.NPC.cs.
  4. ↑ I'll take new lore for 200 Alex : Terraria May 14, 2020
  5. ↑ Terraria's 10th Anniversary: We are Re-Logic, Ask Us Anything! May 17, 2021
  6. ↑ Redigit (July 24, 2022): Never take anything I say about lore seriously XD (archived from the original on 11 Jan 2024, 08:32:06 UTC)
  7. ↑ Redigit (July 24, 2022): The only concrete lore is what you see in the game. The rest is up for the player to interpret how they wish. (archived from the original on 11 Jan 2024, 08:34:53 UTC)
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