Rules of Creeper explosions?

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Inaeo

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Jul 29, 2019
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I've been dealing with some interesting interactions in my mob farm as of late, and I figure this is a decent place to dump some findings.

1. Blaze and Blizz are enemies and attack each other on sight. This is cool and all, but if a Blizz misses its target with an attack and the attack lands on a horizontal surface, it covers that block in a layer of snow. Similarly, a Blaze shot will light a horizontal surface on fire. Both of these things work to reduce the efficiency of my farm, and the fire can actually destroy cursed earth.
If a bystanding mobs are caught with a stray shot, things escalate quickly. I had just finished a full renovation after an unexplained meltdown, and upon restart, I witnessed a fight between two Blaze and a Blizz. One of the Blaze missed, striking instead a witch. The witch retaliated with a splash potion (I'm assuming poison), which pissed off a bunch of other mobs. The MFR grinders kicked in before any more damage was done, but all it would take is a creeper getting tagged and all bets are off.

2. Enderminies and Wither Cats hate EnderZoo variant Creepers. This isn't so bad, as these Creepers don't grief the farm, but its worth a note.

3. If the walls of your mob farm are thin (1-2 blocks), a Wither Cat spawning with a Wither Witch is able to spawn outside the walls (due to the spawn mechanics at play). This is harmless, for the most part, but its annoying to have my maintenance hatches fill up with cats.

4. Six Witches contained over a Well of Suffering allows for nearly infinite LP, but placing them into containment using safari nets is bound to aggro at least one of them. That one bitch will throw a splash potion which is bound to affect at least one other Witch. Then, stand back, pump techno, and watch the Witch rave party, as they cycle through heal self, heal self, splash potion.
 
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Renton Terrace

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Jul 29, 2019
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4. Six Witches contained over a Well of Suffering allows for nearly infinite LP, but placing them into containment using safari nets is bound to aggro at least one of them. That one bitch will throw a splash potion which is bound to affect at least one other Witch. Then, stand back, pump techno, and watch the Witch rave party, as they cycle through heal self, heal self, splash potion.
Use coven witches instead of normal witches and I think it will solve this
 

Ieldra

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Apr 25, 2014
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A Tigerseye flower will keep creepers from exploding. It has a pretty decent range and doesn't require any mana. I put a floating variant under my mob farm to prevent the random explosions caused by (presumably) Enderminies.
That's a really nice solution. Do you know the Tigerseye's range?

BTW, I found that warding doesn't work with Cursed Earth mobtraps since the warded blocks give off light since TC 4.2.... so I rebuilt it with obsidian, which is easy because of the Wand Focus of Equal Trade.
 

Someone Else 37

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Feb 10, 2013
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That's a really nice solution. Do you know the Tigerseye's range?

BTW, I found that warding doesn't work with Cursed Earth mobtraps since the warded blocks give off light since TC 4.2.... so I rebuilt it with obsidian, which is easy because of the Wand Focus of Equal Trade.
If you've got a sufficiently recent Botania build (the April Fools update or newer, to be precise- this was one of the non-jokes in the changelog), you can look at a flower while wearing a Manaseer Monocle to see its range. It's a little annoying that you have to be looking directly at the flower, but it works well enough.

I don't know the range off the top of my head, though.
 

Rhodan

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Jul 29, 2019
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According to the Manaseer Monocole (and the creepers themselves) the flower has a range of about 21x21. It doesn't have much range in the vertical direction though, only about 3 blocks or so. Your best bet is to put it directly below the Cursed Earth.
 
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Inaeo

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Jul 29, 2019
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A slight tangent, but do Tigerseye function from a Carpenter's flower pot? If so, I'll disperse the about my whole base.
 

Ieldra

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Apr 25, 2014
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According to the Manaseer Monocole (and the creepers themselves) the flower has a range of about 21x21. It doesn't have much range in the vertical direction though, only about 3 blocks or so. Your best bet is to put it directly below the Cursed Earth.
Haha, I'll have a flower floating above a master ritual stone then. Well, perhaps it's not all that surprising that all that blood makes for some unusual growth... 21x21 is exactly what I need, being my standard room size (including the walls).