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  Home desktop view

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  Chat desktop view

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  Don't turn on the daylight theme

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  Chat mobile view

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  Chat mobile view

🎃 Tantrik – Halloween Spirit Chat

“Speak to the spirits… if you dare.”

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🧠 Inspiration

I wanted to turn the thrill of Halloween into an interactive AI experience. Instead of just looking at spooky visuals, users can actually talk to supernatural beings — complete with sounds, animations, and eerie atmospheres.

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👻 What It Does

Tantrik lets users chat with three AI-powered spirits:

• 🧛 Dracula — gothic castle + vampire ambience
  
• 💀 Grim Reaper — foggy graveyard + death bells
  
• 👰 Bloody Mary — cracked mirrors + whispering spirits
  

Features

• Personality-rich AI conversations
  
• Animated horror backgrounds
  
• Unique ambient sounds per spirit
  
• Special effects (blood drips, shadows, mirror cracks)
  
• Mobile-friendly UI
  

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🏗️ How We Built It

Backend: Python + Flask, separate GPT-4 agents for each spirit, streaming responses.
Frontend: Next.js 16, TypeScript, Tailwind CSS, custom horror animations, sound system.

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⚠️ Challenges

The biggest challenge was choosing an AI architecture.
I tested a single root agent routing logic vs individual agents.

Root agent → high latency, mixed personalities, more cost.
Final choice → separate agents, giving:

• Faster responses
  
• Clearer personality boundaries
  
• Lower token usage
  

Also tackled: sound autoplay restrictions, animation timing, and performance with heavy visuals.

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🏆 Accomplishments

• Built 3 fully distinct supernatural AI personalities
  
• Created a polished horror UI with animations + ambience
  
• Achieved smooth streaming chat
  
• Delivered a responsive, immersive experience

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📚 What We Learned

• Persona consistency works best with isolated agents
  
• Audio UX is tricky due to browser limitations
  
• Streaming responses improve immersion
  
• Animation timing makes a huge difference in user feel

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🔮 What’s Next

• 🎄 New themes (Christmas, New Year, Winter Spirits)
  
• 🎙️ Voice-based live chatting with the spirits
  
• 🧙 New AI characters: Witch, Oracle, Shadow Puppeteer
  

Tantrik will expand into a multi-season supernatural chat universe.

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Built With

• agents
• llm
• nextjs
• python
• react