Ice Tortoise

Ice TortoiseHardmode exclusive Classic Expert MasterStatistics

Drops

* **Item (Quantity)****Rate**
* Frozen Turtle Shell 2% /  1%
* Ice Sickle 1% /  0.56%
* Milkshake1.33%
Sounds

* Internal NPC ID: **154**

The **Ice Tortoise** is a Hardmode Ice biome enemy. It walks around slowly, and occasionally retracts into its shell. It then starts spinning and hurls itself at the player, gaining increased defense and dealing high contact damage.

A functionally identical variant of the Ice Tortoise, the Giant Tortoise, can be encountered in the Jungle.

## Notes

* The cooldown between spin attacks is 6.67 seconds by default. It is reset if the Ice Tortoise takes damage.
	+ If the Ice Tortoise is more than 12.5 tiles away from the player and has an unobstructed line of sight to them, the cooldown is reduced to 1.33 seconds.
	+ If it is more than 37.5 tiles away, and has an unobstructed line of sight or is no more than 12.5 tiles above them, it is further reduced to 0.61 seconds.
* If in water, the Ice Tortoise will use its spin attack continuously.
* Each spin attack consists of half a second of retracting into the shell, spinning for 1.5 seconds, then decelerating until coming to a stop on a solid surface, and coming out of the shell for half a second again. Attacking an Ice Tortoise at any time cancels the spin attack.
* Although the trajectory of the Ice Tortoise during its spin attack is determined the moment it retracts into its shell and is based on the player's position at that time, the enemy does recognize the player's current position, and will slow down very quickly and attempt to drop down as soon as it is above the player.
* Ice Tortoises cannot spawn unless there are a minimum of 1500 Ice Blocks within the area. [To be verified]
* Ice Tortoises do not spawn on the Surface layer or in the Underground layer.

## Tips

* Because Ice Tortoises emit a fair amount of light, they are comparably easy to spot. This also helps in revealing unexplored caves.
* Any weapon with a high rate of attack is effective, as it prevents the Ice Tortoise from using its spin attack. Viable options include the Megashark or a yoyo.
* Melee weapons are useful as long as the player stays close to the Ice Tortoise. Even when not attacking continuously, the spin attack cooldown is much higher at close range.
* Pools of water should be avoided, as they cause the Ice Tortoise to immediately charge at the player.
* Ice Tortoises cannot drop through platforms. Setting up several rows of long platforms significantly reduces the danger of the spin attacks.

## Trivia

* This enemy, as well as its Giant Tortoise variation, appears to reference Tatori, a similar tortoise enemy in the action-adventure game *Super Metroid* that also attacks the player with the same flying spin.

The Bestiary entry for the Ice Tortoise: *"Like their jungle cousins, ice tortoises are an unexpectedly serious threat, possessing surprising speed and mobility. "*

## History

PC version
* Desktop 1.4.4:
	+ Frozen Turtle Shell drop rate increased from 1/100 to 1/50.
	+ Ice Sickle drop rate increased from 1/180 to 1/100.

* Desktop 1.4.0.1: Can now drop the Milkshake.

* Desktop 1.3.5: Sprite updated. Old sprite was

* Desktop 1.3.0.1: Now has a chance to drop its respective banner.

* Desktop 1.2: Introduced.

Console version
* Console 1.0.933.1: Now has a chance to drop its respective banner. ()

* Console 1.0.750.0: Now has a chance to drop its respective banner. ()

* Console 1.02: Introduced.

Mobile version
* Mobile 1.2.6508: Introduced.

Nintendo 3DSversion
* 3DS-Release: Introduced.

## References

1. ↑ 1.0 1.1 Information taken from the PC 1.4.1.2 source code, method `AI()` in `Terraria.NPC.cs`. There may be inaccuracies, as the current  PC version is 1.4.4.9.

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