Cave

contains several main gimmicks:
* Frozen Surfaces: These severely reduce friction of all allied characters moving on them, making it tougher to maintain control. They also allow the player to increase their speed while on the frozen surface.
** The only entities not subject to this are mounts provided by the NPC Taoist or his Sword Fly skill.
** The Crystal Beetle Mount can reduce friction penalty.
* Falling Icicles : When an explosion or a shockwave is generated, icicles may randomly drop, doing 1 base damage to all allied characters. Enemies cannot be damaged. The location of the icicles will be marked by a red circle before they are about to fall.
** This has an enforced cool-down of 5 seconds. 
** Applicable explosions can be generated by allies and enemies including:
*** Minor explosions from smaller explosives (Missile Battery, etc.)
*** Major explosions from powerful explosives (TNT, etc.)
*** Energy blasts (Ion Railgun, etc.)
*** Shockwaves (Hammer, Sandworm, etc.)
** The Freeze Buff will prevent the player from taking damage.
** The attack is considered as a shockwave. Thus, it cannot be blocked by anything that only blocks projectiles.
** When icicles drop, a tier-A Fishing spot may also appear below the source of explosion. Only one can appear per room and each are only one-use per level.
== Access ==
When entering the Glacier boss room, one has a 50 percent chance to see a tunnel blocked by rock on the right hand side. Once the boss is defeated, a cage appears, which contains a Miner. After unlocking the cage and talking to the Miner, he will tunnel through the alternate path and lead the player to the 's portal.
== Special Conditions ==
By beating the boss, the player may gain a condition according to the playing result in the :
* If the player has never lost any health in the , they will gain the condition.
* On the other hand, if the player has used a revive in the , they will gain the condition.
** Using a revive before entering the does not affect any result, such that it is still possible to get "Strong Body" as long as the player does not take health damage in the .
* If the player loses health but doesn't die, they'll gain neither condition.
* If the player’s mount takes damage, they are still eligible for ‘Strong Body’. 
* The Freeze Buff can still extend freezing time on enemies. This is not affected by either condition.
* Neither condition can be obtained more than once in a looped run.
* On multiplayer, the status of all players is considered, and all of them will get the same condition, e.g.: if any player is revived, everyone will get 'Frostbite'.
** Losing health by the Pill's special ability is taken into account. However, Mysterious Trader is not subject to this.
== Potential Enemies ==
List of Enemies in the Cave	List of Enemies in the Cave	List of Enemies in the Cave	List of Enemies in the Cave	List of Enemies in the Cave
Name 	Variant 	Health 	Behavior 	Found in level
Mega Mining Extractor 	 	12 (32?) 	
*Creates a shockwave, dealing 2 AoE damage.	1 2 3 4 5
Mega Mining Extractor 	 	9 (32?) 	
* Fires a small snowball, dealing 3 damage, can inflict freeze.	1 2 3 4 5
Explosive Worker 	 	12 (32) 	
*Throws a TNT at the player, which will explode after a short delay. The TNT itself deals 3 damage, while the explosion deals 2 AoE damage and can inflict burn.
*This enemy always places 1 TNT on the ground when defeated, like the normal attack it will explode after a short delay.	1 2 3 4 5
Crystal Giant Jr. 	 	20 (50) 	
* Summons 5 consecutive ice spikes in the player's direction, similar to ones that is summoned by Crystal Crab's Katana, each spike does 3 damage on contact with the player.	1 2 3 4 5
Ice Bug Larva 	 	18 (60) 	
* Releases 4 triangle bullets in 4 direction when it resurfaces or when it leaps into the air to dive onto the ground, each bullet deals 1 damage.
* When under the ground, the bug is immune to damage, and on it spot appear small ice spike, similar to one spawned from Snow Ape's Longbow, the spikes deal 3 damage.	1 2 3 4 5
Miner Lead 	 	20 (60) 	
*Fires 2 energy bullets, which can create an energy blast when collided with the player or obstacles. The bullet deals 3 damage while the blast deals 1 damage.	1 2 3 4 5
Miner Lead 	Pickaxe 	 	 	
Manned Mecha Guardian 	Drill 	 	 	
Manned Mecha Guardian 	 	20 (40) 	
*Fires 5 homing missiles, dealing 2 damage.
*Fires 8 missiles in Champion form.	2 3 4 5
Crystal Giant 	 	 	 	
===Bosses===
Cave Ice Bug
=== 2-1 ===
Mega Mining Extractor (Claw)	Mega Mining Extractor (Cannon)	Explosive Worker	Crystal Giant Jr.	Ice Bug Larva	Miner Lead (Beam Gun)
=== 2-2 ===
Manned Mecha Guardian (Drill)	Manned Mecha Guardian (Cannon)	Miner Lead (Pickaxe)
=== 2-3 ===
Crystal Giant
=== 2-4 ===
(no new)
== Objects ==
Crates look like boxes with an X shape on their top side. While most of the objects are similar with those in Glacier, there is a 1x1 stone pillar which is unique to this biome.
== Temporary Buffs ==
At least one random enemy in each room may drop a Temporary Buff. Picking this up will neutralize Freeze 3 times for 20 seconds. Cannot stack.
== Related Achievements ==
	Figure Skating
Complete without getting hit by falling icicles.
Reward: none
	Puzzle of the Puzzle
Complete all 3 hidden biomes. (, Swamp and Grave)
Reward: none
== Trivia ==
* This biome was added in Update 2.8.0.
* While playing in the , an icy blue haze appears around the edge of game screen. Losing health causes the haze to briefly grow stronger, instead of causing the screen's edges to flash red temporarily like it usually would.
** This also occurs for other sources of health loss such as Pill and Breath of Hades.
* It is possible to find two chest rooms in the same floor while in this biome.
* The frozen surfaces in this biome show reflections. This even applies to Vampire, despite, well, being a vampire.
* This biome does not appear in the challenge.
* Fishing was added to this biome as of Update 3.3.0.
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Category:Levels