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Once Bitten, Twice Die was a limited-time questline released on November 6, 2019. It was the main questline of Act 3 of the Treehouse of Horror XXX Event, following Prelude to a Powermove.

Quests Edit

Quest Requirements Time Reward Triggered By
Once Bitten, Twice Die Pt. 1 Collect Lost Souls (x50)
Make Zia Simpson Take All the Credit
Make Kang Confront Zia Simpson
Make Kodos Confront Zia Simpson
-
8h
8h
8h
Cash100
XP10
Auto
Once Bitten, Twice Die Pt. 2 Collect Lost Souls (x100)
Make Simpsons Break Out of Prison (x3)
Make Kang Break Out of Prison
Make Kodos Break Out of Prison
-
8h
8h
8h
Cash100
XP10
Auto
Once Bitten, Twice Die Pt. 3 Collect Lost Souls (x100)
Make Marge Be Offended
Make Count Dracula Join Forces With Zia
-
8h
8h
Cash100
XP10
Auto
Once Bitten, Twice Die Pt. 4 Collect Lost Souls (x100)
Make Milhouse Immediately Surrender
Make Zia Simpson Double Double Cross Her Family
Make Kang Attack Count Dracula
Make Kodos Attack Count Dracula
-
8h
8h
8h
8h
Cash100
XP10
Auto
Once Bitten, Twice Die Pt. 5 Collect Lost Souls (x100)
Make Kang Attempt to Stop Count Dracula
Make Kodos Attempt to Stop Count Dracula
Make Simpsons Attempt to Stop Count Dracula (x3)
Make Homer Eat Barbeque
-
8h
8h
8h
8h
Cash200
XP20
Auto

Dialogue Edit

Once Bitten, Twice Die Pt. 1 Edit

Start Edit

Character Dialogue
Marge Sad Icon I don’t want to be a bother but can we have some water? It's so hot being captured and housed in these mines.
Zia Simpson Sad Icon Sorry, Grandma. I didn't know my stable of monsters would take over Springfield and you.
Marge Serious Icon Destroying Springfield is bad. But worse… could you stop calling me Grandma?!
Frankenstein's Monster Angry Icon *thrusts a flaming torch*
Bart Surprised Icon I thought Frankensteins were afraid of fire.
Frankenstein's Monster Happy Icon Frankenstein work through his fire issues.

All Objectives Started Edit

Character Dialogue
Zia Simpson Annoyed Icon You aliens should be happy. I’ve made you a huge success.
Kang Icon Yeah, about that. We need to talk.
Zia Simpson Snide Icon What’s on your mind, Doc Guac?
Kang Angry Icon It was our idea to take over Springfield. Yet, you’re taking all the credit and more than the standard ten percent fee.
Kodos Angry Icon All the monsters are loyal to you and not us.
Zia Simpson Apathetic Icon It’s all part of my packaging fee. Remember, you two Jello Jigglers would be nothing but space debris if it wasn’t for me.
Kang Icon She’s become worse than our previous agent.
Kodos Icon We should have seen this coming, but with one eye we have no depth perception.
Kodos Icon It’s come to this… Zia, you’re fired.
Zia Simpson Surprised Icon What?! I can’t be fired! You work for me. I swear you aliens will never destroy in this town again!

End Edit

Character Dialogue
Kang Icon I thought our Agent of Destruction had our best interests in mind but she was just looking out for herself.
Kodos Icon We dreamed of dancing on all your graves.
Marge Annoyed Icon That isn’t a very nice dream.
Kodos Icon Don’t judge. You really had to see the dance.
Kang Icon Maybe all hope is not lost if you humans join with us to get revenge.
Bart Determined Icon I’m all in on getting revenge!

Unlocks Seven Sisters.

Once Bitten, Twice Die Pt. 2 Edit

Start Edit

Character Dialogue
Bart Sad Icon Someone help! I'm stuck under a big rock.
Frankenstein's Monster Icon Frankenstein will save you, then kill you! Then have cigar with blind man.
Kang Angry Icon *knocks out Frankenstein*
Nelson Happy Icon Haw-haw. You flattened his flat-top!
Lisa Shouting Icon Let’s hurry. We need to get out of here!

End Edit

Character Dialogue
Homer Pained Icon I'm tired of running. No one told me prison breaks would be exercise.
Kang Icon Where can a family of five with two aliens hide?
Marge Happy Icon I know just the place.

Unlocks Pumpkin House or gives 12 Donuts.

Once Bitten, Twice Die Pt. 3 Edit

Start Edit

Character Dialogue
Marge Scared Icon The monsters have taken over! Zia has even re-enlisted Dracula. He’s joined forces with her.
Marge Sad Icon Two Agents of Destruction against us?! This is out of control!
Kodos Happy Icon Don’t worry, Grandma. We've got a plan.
Marge Angry Icon Would EVERYONE stop calling me Grandma!

End Edit

Character Dialogue
Lisa Worried Icon Dracula has a device to access an interdimensional portal.
Marge Thoughtful Icon How come everyone has one of those except us?
Lisa Happy Icon We can use his to find a hero, then use that hero against the agents.
Kodos Icon Fight with an agent?! I’m not sure I want to do that.
Lisa Shouting Icon We don't have a choice. Zia and Dracula will find us, and we need to fight back.
Homer Icon Then I'll snag Drac’s device and meet you back here tomorrow.

Once Bitten, Twice Die Pt. 4 Edit

Start Edit

Character Dialogue
Lisa Icon Zia, are you there?
Zia Simpson Icon Yes, Mom.
Lisa Confused Icon Mom? Wait… oh right. I am your mom. Why would you work against me?
Zia Simpson Sad Icon You’re right. I wanted to control the world, but now I realize I just wanted to control my own life. I’m sorry.
Count Dracula Happy Icon No Agent of Destruction says she’s sorry. It shows weakness. Yes, I’m back in control!

All Objectives Started Edit

Character Dialogue
Count Dracula Annoyed Icon Get off me, you worms!
Kodos Icon You call your best clients worms?
Count Dracula Dreamy Icon “Worm” is an affectionate term in the bizness.
Kang Angry Icon Quick humans, while we struggle, you escape!
Homer Happy Icon You slime balls aren't so bad after all.
Kang Icon We’re not doing this for you. If you die now, we can't destroy you ourselves later.
Zia Simpson Annoyed Icon Not so fast. I’m back with Drac.
Marge Confused Icon What?! Why?
Zia Simpson Icon I have a lot of conflicting emotions. It’s what teens are good at.

End Edit

Character Dialogue
Kodos Defensive Icon Why did you betray us, Human Girl?
Zia Simpson Snide Icon Mostly because I think you guys are idiots.
Count Dracula Scary Icon Take them to the Witch's house and let her roast them for dinner.
Kang Scared Icon So this is how agents drop clients?!

Unlocks Gingerbread House or gives 12 Donuts.

Once Bitten, Twice Die Pt. 5 Edit

Start Edit

Character Dialogue
Kang Angry Icon How dare you beer batter us!
Suzanne the Witch Icon The batter was Homer’s idea. Now stop struggling. I don't like my food to be tough.
Bart Angry Icon I'll show you tough. *pushes her into the oven*
Suzanne the Witch Sad Icon Why do I always leave the oven door open?! *screams*
Lisa Shouting Icon C’mon! We have to hurry! Zia and Dracula are going to use the Ultranet device to consume souls.
Homer Sad Icon *moans* We’re not staying for Witch BBQ?

All Objectives Started Edit

Character Dialogue
Bart Annoyed Icon Didn’t you get the memo, Count Lame-ula? We’re crashing your coffin party.
Kang Happy Icon Or… make you a deal: give us back our ship and kill all the humans, and we'll call it even.
Marge Confused Icon I REALLY don’t know whose side to be on anymore.
Zia Simpson Happy Icon Then be on my side, ‘cause I’m back on yours. *explaining tone* Teenager, remember?
Count Dracula Annoyed Icon That’s it. I’m closing this deal right now. *flips switch*

End Edit

Character Dialogue
Bart and Lisa Scream Icon *Scream*
Marge Sleepy Icon What happened? There was a flash of light and then I passed out.
Lisa Sad Icon Mom, I don't feel so good. *collapses*
Bart Sneaky Icon It's probably just gas.
Bart Exhausted Icon Uh-oh. Is gas contagious? *collapses*

Unlocks Martin of the Opera.

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