Propeller Cat

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Propeller Cat
General Information
Race	Catarang
Type	Support
Level Req.	0-78 0-83
Special	Boosts hero damage.
Location	Sky City - Survival
Introduced	Quest for the Lost Eternia Shards - Part 4
Statistics
Range	?-?
Sample Stats

The Propeller Cat is both a buff pet and an interactable NPC. The pet is awarded for reaching wave 25 of Sky City on Survival or Pure Strategy.

It multiples the attack damage of the user and up to three (3) of their allies. This effect stacks multiplicatively with damage-boosting hero abilities: Hero Boost, Blood Rage, Call to Arms, etc.

Propeller Cats may roll up to Transcendent quality in Vanilla at a ~1/1,600 chance on Nightmare Hardcore. Mythicals are much more common. In Redux, Supreme cats are possible. Hero and Defense stat bonuses from a cat are lower than most other pets of the same quality.

Pet Stats and Scaling

"Clip Ammo" (Blue Arrow)

Boost Intensity determines the cat's damage multiplier. This can be incremented by one on every third upgrade level (3, 6, 9, 12...). Cats can spawn with a starting intensity as high as the 120's. The damage multiplier is calculated with this formula:

Damage Multiplier = ( 1.1 + ( (Boost/20) ^0.835 ) * 0.145 )

Example calculations are shown in the table below:

Boost Intensity	Damage Multiplier
50	1.4116
75	1.5372
100	1.6559
125	1.7698
150	1.8799
175	1.9870
179	2.0039
200	2.0917
224	2.1900

"Reload Speed Bonus" (Orange Star)

The Propeller Cat's Range, affecting how far it can boost heroes. This can be upgraded on every fifth level (5, 10, 15, 20...). A range of "+90" is the max and highest value a cat can spawn with; this approximates to the distance between the pet-attackable target dummy and the Forge, on the Tavern's first floor.

"Additional Projectiles" (Triple Yellow Stars)

The total number of heroes the cat can boost, up to "+4" maxed out. This can be upgraded on every 30th level (30, 60, 90...). If there are more than four heroes in-range (counting the user), the closest ones are prioritized.

Max Boost Intensity Chances

*The following table(s) show the odds of acquiring a cat that can be upgraded to certain Boost Intensity ranges. This data does not consider the starting effective range or max number of heroes to boost.

Ascension Ruthless

Boost Intensity	~Chance
221-230	0.055% (1/1,805)
211-220	1.1% (1/93)
201-210	2.6% (1/38)
191-200	4.0% (1/25)
181-190	5.0% (1/20)
171-180	5.9% (1/17)
161-170	6.25% (1/16)
151-160	6.7% (1/15)

NPC

Propeller Cats are interactable NPCs located in Sky City. Similar to the Shroomites, Donkeys and Seahorses of previous Quest for the Lost Eternia Shards maps, once per wave they provide mana and possibly health and/or a weak piece of equipment when interacted with.

In the Returnia challenge series, petting it always restores some hero health.

Locations

Tips and Notes

• The Propeller Cat is an excellent choice for DPS heroes whose pet damage scales poorly vs. their weapon damage, those who attack from afar or ones who depend on their damage-dealing abilities. Contenders include: Huntress, Ranger, Series EV, Barbarian and Jester.
• If two Propeller Cats try to boost the same hero, whichever one has the greater damage multiplier takes precedence.
• In Redux, the Prop. Cat has alternative in-game names (ex: Gear Cat).

Upgrading

• Max out the cat's "Additional Projectiles" (Heroes to Boost, which is +4) and upgrade the its "Clip Ammo" (Boost Intensity) whenever possible. Never hold Shift or Control while upgrading. Otherwise, you will miss opportunities to raise your cat's damage multiplier.
  • The cat needs at least 91 upgrade levels to maximize how many heroes it can boost.
• Due to upgrade timings, every 15th level presents a choice between Boost Intensity and Range (unless the latter is capped), and every 30th level presents a choice between all three pet stats (unless Range and Hero Count are capped).

Trivia

• An impossibility through normal gameplay, the cat's Boost Intensity hard-caps at 230 which would multiply hero attack damage by 2.6065x.
• This pet also exists through a purely cosmetic item in Terraria: the Gato Egg.
  • Gato means "Cat" in both Spanish and Portuguese.