Cryo Cannon
 Unlocked through an assignment
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Requires Driller  10
Purchased for:
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| “ | Mad geniuses have tried perfecting this implement for as long as anyone can remember, but our lads at R&D seem to have perfected it! Handily portable (for a dwarf, anyway), it does exactly what you think: It's a friggin' freeze ray. Let 'em have it. |
| — Item Description |
The Cryo Cannon is an unlockable primary weapon for the Driller. It is a huge, barely-portable freeze ray constructed out of various alloys. The drums on the front of the weapon rotate when it is firing.
The Cryo Cannon ejects a freezing cold stream which deals damage and decreases the temperature of enemies, eventually causing them to freeze. Frozen enemies will receive triple (x2.5 for Dreadnoughts) damage (but lose any weak-points they had before) and are completely immobilized. Being frozen also prevents several enemies from performing unique abilities; for example frozen Glyphid Exploders and Glyphid Bulk Detonators cannot detonate. Flying enemies like Mactera will drop to the floor and shatter instantly when frozen. Enemies in the Glacial Strata are also more resistant to this weapon's freezing effect. More information about the frozen status here.
The Cryo Cannon does not utilize a reloading system and instead draws from one pool of reserve ammo. Upon pressing the fire button the weapon has a brief "charge-up" period before it spews its stream of icy mixture. The stream is affected by a pressure gauge; prolonged firing will eventually empty this meter and require a "repressurization" phase before it can start firing again.
Modifications
There are five tiers of modifications and each tier has two to three upgrades. Only one modification can be equipped per tier.
| Cryo Cannon Modifications | ||||||||||||
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| Mod | Effect | In Game Description | Price | |||||||||
| Tier 1 |  Larger Pressure Chamber |
x0.33 Pressure Drop Rate | "Lets you shoot for a longer time before needing to refill the pressure chamber." |
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 Faster Turbine Spinup |
-0.4s Chargeup Time | "Start freezing things as soon as you pull the trigger with a near-instant turbine response." |
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 Stronger Cooling Unit |
+1 Freezing Power | "Freeze things at a faster rate." |
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| Tier 2 4
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 Larger Reserve Tank |
+75 Tank Capacity | "You had to give up some sandwich-storage, but your total ammo capacity is increased!" |
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 Overclocked Ejection Turbine |
+5m Cold Stream Reach | "Increases the effective range of the weapon." |
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 Bypassed Integrity Check |
-1s Repressurization Delay | "If you completely empty the pressure chamber, the weapon will immediately start repressurizing, safety be dammed!" |
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| Tier 3 8
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Improved Pump |
x1.75 Pressure Gain Rate | "Refill the pressure chamber faster." |
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 Increased Flow Volume |
+1.6 Flow Rate | "We overclocked your gun. It fires faster. Don't ask. Just enjoy. Also probably don't tell Management, please." |
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| Tier 4 12
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 Hard Mixture |
+3 Damage | "Promotes Ice-crystal formation in the stream resulting in more direct damage." |
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Supercooling Mixture |
+1 Freezing Power | "Improves the heat capacity of the stream so you can freeze things at a faster rate." |
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Larger Reserve Tank |
+150 Tank Capacity | "You had to give up some sandwich-storage, but your total ammo capacity is increased!" |
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| Tier 5 16
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 Fragile |
+Frozen Targets can Shatter | "There is a chance that frozen targets will spontaneously shatter!" |
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Cold Radiance |
+4m Area Cold Range | "Any enemy that strays close to you while firing the Cryo Cannon will start to freeze." |
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Overclocks
Overclock calculations happen after modifiers.
 Cryo Cannon [Expand/Collapse]
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| Overclock | Effect | In Game Description | Price | ||||||||
Improved Thermal Efficiency
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"Get all you can from your fuel and lose pressure slower from the main chamber." |
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Tuned Cooler
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"Freeze things faster at the cost of a slower pump and turbine." |
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Flow Rate Expansion
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"A low volume high pressure chamber paired with a high power pump increase the flow rate and repressurization speed but lower the max duration of sustained flow." |
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Ice Spear
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"Pressing the reload button dumps all the fluid in the chamber directly into the turbine, flash freezing it and launching an ice projectile. Side effects include an increased recharge delay and of course the large amount of fuel used." |
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Ice Storm
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"A change in the fuel mixture along with some heavy cooler unit tweaks means a lot more damage especially to frozen targets. However, freezing takes longer and the capacity of the pressure chamber is reduced." |
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Snowball
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"Pressing the reload button shoots all the cryofuel in the chamber at once as an AoE cryo-projectile. Besides the very large amount of fuel consumed, the operation overloads the whole system resulting in a much longer delay before regaining pressure and the modifications restrict the total amount of fuel you can carry." |
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Stats Breakdown
Understanding the weapon
- Chargeup Time is the time needed before the weapon starts shooting.
- Flow Rate is the equivalent of fire rate for other weapons. The weapon will deal 8 instances of damage per second with the base flow rate.
- Pressure Drop Rate is the equivalent of the magazine size for other weapons. It represent how long you can fire before you need to 'reload' your weapon by repressurizing it. The lower the better.
- Freezing Power is what will allow you to freeze the enemies. It won’t do any damage by itself. 1 point in freezing power will lower the temperature of an enemy by 1° for each instance of damage done. Once you reach an enemy's freeze temperature it’ll be frozen solid.
- Tank Capacity is the equivalent of max ammo for other weapons.
- Repressurization Delay is how long you need to wait in seconds after you reached the minimum pressure before you can fire again.
- Pressure Gain Rate is the equivalent of reload for other weapon, except that you can stop midway in case you need to fire early. It represents how fast the pressure will go up after the repressurization time.
Ice Path
In the same manner as the CRSPR Flamethrower, the Cryo Cannon will leave behind a trail of ice that’ll linger for a few seconds. It won’t do any damage but it can potentially freeze enemies.
- Cold per tick: 8 Cold
- Tick Interval: 0.5s
- Maximum Damage Radius: 0.5m
- Radius: 0.5m
- Duration: 3s (visual effect last for 5s)
Unique Modifications
| Unique Modifications | ||
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Cold Radiance |
Cold Radiance is a modification that will cool things down in a radius around you, eventually freezing any creature close to you. The effect is only active while firing and will activate once per second. |
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Fragile |
Fragile is a modification that gives a chance to deal extra damage to frozen enemies for every instance of damage done by the Cryo Cannon. The chance and damage dealt are calculated after the damage from the Cryo Cannon has been dealt.
RemainingBaseHP is the creature HP before Difficulty scaling is considered, causing the damage received to not finish off creatures with Resistance scaling modifiers greater than 1 (check Difficulty Scaling: Resistance Scaling for values). | |
Unique Overclocks
| Unique Overclocks | ||
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Ice Spear |
Ice spear is a Balanced Overclock that has 2 damage components: one single target and one in a small AoE. Both types can hit the same target. It uses up to 50 fuel to fire the projectile. If you don’t have enough total fuel available in the ammo pool, it uses all the fuel available and the damage for both components of the projectile will scale down linearly with the amount of fuel that was used. |
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Snowball |
Snowball is an Unstable Overclock that shoots ranged AoE cryo-projectiles that flash-cool everything in the impact zone at the cost of significantly decreased tank capacity and an increased repressurization delay. |
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Mastery
Each modification that is purchased advances a mastery bar by one unit.
Mastery unlocks:
- Three modifications – First Stripe Weapon Paintjob
- Seven modifications – Deepcore Weapon Paintjob
- All (13) modifications – The Company Special Weapon Paintjob
Skins
Full gallery of skins can be seen at Weapon Skins.
Gallery
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This page is possibly not up to date. It was last updated for Update 34: Modest Expectations
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