How to build the Best Foxparks/Cattiva farm Terraria 1.4.5

Описание: The wiki recently updated to say that Cattiva and Foxparks replace King slime spawns and not goblin scouts. Not sure where they got this information from, but a lot of the advice in this video is still relevant as goblin scouts share a lot of natural spawn conditions with King Slime. Assuming this is correct, with this setup it it should take an average of 23 minutes for Cattiva and 30 minutes for Foxparks.

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this is the King Slime spawn conditions from the Official Wiki:
https://terraria.wiki.gg/wiki/King_Slime - King Slime Spawn conditions
King Slime has a 1/300 (0.33%) chance of naturally spawning while 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.
King Slime is not currently alive in the world.
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.

I have seen them personally spawn on grass blocks, so I know it is a valid block for them to spawn on. There may be other valid blocks, such as jungle grass or snow, but I'm not certain about them so they remained unmentioned.

This farm is in the outer 1/6 of the world, but it may work as far in up to 1/4. I had a water candle and a battle potion active, and the time it took varied greatly for how long it took to spawn Cattiva and Foxparks, from as quickly as 5 minutes to up to an hour. With this farm setup assuming the recently updated wiki is correct, the avg. time for a King Slime spawn is 17.3 minutes.

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Wiki stated spawn conditions:
https://terraria.wiki.gg/wiki/Cattiva - Official Terraria Wiki Cattiva
Cattiva can very rarely spawn on Grass, Jungle Grass, and Snow Blocks in the outer 1/4 of the world, in daytime, when the player is not in a Graveyard biome.
The chance of either Cattiva or Foxparks to spawn are the same as King Slime, but Cattiva has 70% chance to spawn while Foxparks has 30% on top, making it rarer than King Slime.
Cattiva cannot spawn if there is already a distressed Cattiva or a distressed Foxparks present in the world.
If the player wears Sunglasses Cattiva will too.

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Chapters:
00:00 intro
00:32 Base Farm build
02:30 Simple farm improvements
03:40 Proving Foxparks can be found before a Goblin invasion
04:06 Farm improvements (jungle biome)
04:30 Testing spawn rates
05:13 Farm improvements (lava floor)
05:48 Testing rates again
06:21 Educated guess for spawn rates (with comparisons)
07:24 Overview of optimal farm setup
08:10 outdated rates guess
08:54 New updated rates guess